diff --git a/app/Http/Requests/InstituteRequest.php b/app/Http/Requests/InstituteRequest.php
new file mode 100644
index 0000000..1bf2e58
--- /dev/null
+++ b/app/Http/Requests/InstituteRequest.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class InstituteRequest extends FormRequest
+{
+    public function rules(): array
+    {
+        return [
+            'name' => ['required'],
+            'is_active' => ['boolean'],
+        ];
+    }
+
+    public function authorize(): bool
+    {
+        return true;
+    }
+}
diff --git a/app/Http/Resources/InstituteResource.php b/app/Http/Resources/InstituteResource.php
new file mode 100644
index 0000000..a7c0e3f
--- /dev/null
+++ b/app/Http/Resources/InstituteResource.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Http\Resources;
+
+use App\Models\Institute;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+/** @mixin Institute */
+class InstituteResource extends JsonResource
+{
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->id,
+            'name' => $this->name,
+            'is_active' => $this->is_active,
+            'created_at' => $this->created_at,
+            'updated_at' => $this->updated_at,
+        ];
+    }
+}
diff --git a/app/Models/Enums/NameMatchModes.php b/app/Models/Enums/NameMatchModes.php
new file mode 100644
index 0000000..4fbe9e1
--- /dev/null
+++ b/app/Models/Enums/NameMatchModes.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace App\Models\Enums;
+
+enum NameMatchModes: int
+{
+    case Exact = 0;
+    case Contains = 1;
+    case StartsWith = 2;
+    case EndsWith = 3;
+    case Regex = 4;
+}
diff --git a/app/Models/Enums/StudyLevelStatus.php b/app/Models/Enums/StudyLevelStatus.php
new file mode 100644
index 0000000..ad7feb8
--- /dev/null
+++ b/app/Models/Enums/StudyLevelStatus.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace App\Models\Enums;
+
+enum StudyLevelStatus: int
+{
+    case None = 0;
+    case StudyArrived = 1 << 1;
+    case StudyLocked = 1 << 2;
+    case StudyUnlocked = 1 << 3;
+}
diff --git a/app/Models/Site.php b/app/Models/Institute.php
similarity index 64%
rename from app/Models/Site.php
rename to app/Models/Institute.php
index f90131a..9a668b7 100644
--- a/app/Models/Site.php
+++ b/app/Models/Institute.php
@@ -2,10 +2,13 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 
-class Site extends Model
+class Institute extends Model
 {
+    use HasFactory;
+
     protected function casts(): array
     {
         return [
diff --git a/database/factories/InstituteFactory.php b/database/factories/InstituteFactory.php
new file mode 100644
index 0000000..b648595
--- /dev/null
+++ b/database/factories/InstituteFactory.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\Institute;
+use Illuminate\Database\Eloquent\Factories\Factory;
+use Illuminate\Support\Carbon;
+
+class InstituteFactory extends Factory
+{
+    protected $model = Institute::class;
+
+    public function definition(): array
+    {
+        return [
+            'name' => $this->faker->name(),
+            'is_active' => $this->faker->boolean(),
+            'created_at' => Carbon::now(),
+            'updated_at' => Carbon::now(),
+        ];
+    }
+}
diff --git a/database/factories/UserFactory.php b/database/factories/UserFactory.php
index ee72725..5ceb9f0 100644
--- a/database/factories/UserFactory.php
+++ b/database/factories/UserFactory.php
@@ -42,7 +42,7 @@ public function definition(): array
             'remember_token' => Str::random(10),
             'profile_photo_path' => null,
             'current_team_id' => null,
-            'site_id' => null,
+            'institute_id' => null,
         ];
     }
 
diff --git a/database/migrations/0000_01_26_171436_create_sites_table.php b/database/migrations/0000_00_00_163912_create_institutes_table.php
similarity index 60%
rename from database/migrations/0000_01_26_171436_create_sites_table.php
rename to database/migrations/0000_00_00_163912_create_institutes_table.php
index 15fd44c..1ba250f 100644
--- a/database/migrations/0000_01_26_171436_create_sites_table.php
+++ b/database/migrations/0000_00_00_163912_create_institutes_table.php
@@ -8,16 +8,16 @@
 {
     public function up(): void
     {
-        Schema::create('sites', function (Blueprint $table) {
+        Schema::create('institutes', function (Blueprint $table) {
             $table->id();
-            $table->string('name');
-            $table->boolean('is_active')->default(true);
+            $table->string('name')->unique();
+            $table->boolean('is_active')->default(false);
             $table->timestamps();
         });
     }
 
     public function down(): void
     {
-        Schema::dropIfExists('sites');
+        Schema::dropIfExists('institutes');
     }
 };
diff --git a/database/migrations/0001_01_01_000000_create_users_table.php b/database/migrations/0001_01_01_000000_create_users_table.php
index eefd1f2..88985d1 100644
--- a/database/migrations/0001_01_01_000000_create_users_table.php
+++ b/database/migrations/0001_01_01_000000_create_users_table.php
@@ -1,7 +1,7 @@
 <?php
 
 use App\Models\Enums\UserRole;
-use App\Models\Site;
+use App\Models\Institute;
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Support\Facades\Schema;
@@ -25,7 +25,7 @@ public function up(): void
             $table->unsignedTinyInteger('role')->default(UserRole::Guest->value);
             $table->foreignId('current_team_id')->nullable();
             $table->string('profile_photo_path')->nullable();
-            $table->foreignIdFor(Site::class)->nullable()->index();
+            $table->foreignIdFor(Institute::class)->nullable()->index();
             $table->timestamps();
         });
 
diff --git a/database/migrations/2024_12_27_060234_create_studies_table.php b/database/migrations/2024_12_27_060234_create_studies_table.php
index debdc6e..6aafa16 100644
--- a/database/migrations/2024_12_27_060234_create_studies_table.php
+++ b/database/migrations/2024_12_27_060234_create_studies_table.php
@@ -1,7 +1,7 @@
 <?php
 
 use App\Models\Enums\StudyAccessFlags;
-use App\Models\Site;
+use App\Models\Institute;
 use App\Models\User;
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
@@ -15,7 +15,8 @@ public function up(): void
             $table->id();
             $table->string('orthanc_uid')->unique();
             $table->boolean('is_active')->default(true);
-            $table->unsignedTinyInteger('priority')->default(0);
+            $table->boolean('is_locked')->default(true);
+            $table->unsignedTinyInteger('study_priority')->default(0);
             $table->string('patient_id')->nullable();
             $table->string('patient_name');
             $table->string('patient_sex');
@@ -24,24 +25,28 @@ public function up(): void
             $table->string('institution_name');
             $table->string('accession_number')->nullable();
             $table->string('study_description')->nullable();
-            $table->dateTime('study_date')->index();
-            $table->dateTime('receive_date')->index();
+            $table->string('study_modality', 4)->nullable();
+            $table->dateTime('study_date');
+            $table->dateTime('receive_date');
             $table->dateTime('report_date')->nullable();
-            $table->foreignIdFor(Site::class)->constrained()->onDelete('cascade');
+            $table->foreignIdFor(Institute::class)->constrained()->onDelete('cascade');
             $table->unsignedTinyInteger('report_status')->default(0);
-            $table->string('study_modality', 4);
+            $table->unsignedSmallInteger('image_count')->default(0);
+            $table->unsignedSmallInteger('series_count')->default(0);
+
             $table->foreignIdFor(User::class, 'assigned_physician_id')->nullable()->constrained()->onDelete('set null');
             $table->foreignIdFor(User::class, 'interpreting_physician_id')->nullable()->constrained()->onDelete('set null');
             $table->foreignIdFor(User::class, 'referring_physician_id')->nullable()->constrained()->onDelete('set null');
+            $table->foreignIdFor(User::class, 'reading_physician_id')->nullable()->constrained()->onDelete('set null');
+
             $table->unsignedTinyInteger('access_flags')->default(StudyAccessFlags::None->value);
             $table->string('access_password')->nullable();
             $table->timestamps();
 
             $table->index(['referring_physician_id', 'receive_date']);
-            $table->index(['site_id', 'receive_date']);
-            $table->index(['site_id', 'accession_number']);
-            $table->index(['site_id', 'report_status', 'priority', 'receive_date']);
-            $table->index(['assigned_physician_id', 'report_status', 'priority', 'receive_date']);
+            $table->index(['institute_id', 'receive_date']);
+            $table->index(['institute_id', 'report_status', 'study_priority', 'receive_date']);
+            $table->index(['assigned_physician_id', 'report_status', 'study_priority', 'receive_date']);
         });
     }
 
diff --git a/database/migrations/2024_12_28_051451_create_study_reports_table.php b/database/migrations/2024_12_28_051451_create_study_reports_table.php
index c64500f..aafb925 100644
--- a/database/migrations/2024_12_28_051451_create_study_reports_table.php
+++ b/database/migrations/2024_12_28_051451_create_study_reports_table.php
@@ -1,5 +1,8 @@
 <?php
 
+use App\Models\Enums\ReportStatus;
+use App\Models\Study;
+use App\Models\User;
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Support\Facades\Schema;
@@ -10,14 +13,12 @@ public function up(): void
     {
         Schema::create('study_reports', function (Blueprint $table) {
             $table->id();
-            $table->unsignedTinyInteger('report_status')->default(0);
-            $table->foreignId('study_id')->constrained('studies');
-            $table->foreignId('radiologist_id')->constrained('users');
+            $table->unsignedTinyInteger('report_status')->default(ReportStatus::Pending->value);
+            $table->foreignIdFor(Study::class)->index()->constrained()->onDelete('cascade');
+            $table->foreignIdFor(User::class)->index()->constrained()->onDelete('cascade');
             $table->string('file_path');
             $table->string('pdf_path')->nullable();
             $table->timestamps();
-
-            $table->unique(['study_id', 'created_at']);
         });
     }
 
diff --git a/database/migrations/2024_12_28_175040_create_institute_names_table.php b/database/migrations/2024_12_28_175040_create_institute_names_table.php
new file mode 100644
index 0000000..46ac29c
--- /dev/null
+++ b/database/migrations/2024_12_28_175040_create_institute_names_table.php
@@ -0,0 +1,27 @@
+<?php
+
+use App\Models\Enums\NameMatchModes;
+use App\Models\Institute;
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('institute_names', function (Blueprint $table) {
+            $table->id();
+            $table->foreignIdFor(Institute::class)->constrained()->onDelete('CASCADE');
+            $table->string('name')->unique();
+            $table->unsignedTinyInteger('match_mode')->default(NameMatchModes::Exact->value);
+            $table->unsignedTinyInteger('priority')->default(0);
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('institute_names');
+    }
+};
diff --git a/database/seeders/DatabaseSeeder.php b/database/seeders/DatabaseSeeder.php
index 63e60e0..7143d52 100644
--- a/database/seeders/DatabaseSeeder.php
+++ b/database/seeders/DatabaseSeeder.php
@@ -13,7 +13,7 @@ class DatabaseSeeder extends Seeder
     public function run(): void
     {
         $this->call([
-            SiteSeeder::class,
+            InstituteSeeder::class,
             UserSeeder::class,
         ]);
 
diff --git a/database/seeders/InstituteSeeder.php b/database/seeders/InstituteSeeder.php
new file mode 100644
index 0000000..322945e
--- /dev/null
+++ b/database/seeders/InstituteSeeder.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace Database\Seeders;
+
+use App\Models\Enums\NameMatchModes;
+use App\Models\Institute;
+use Illuminate\Database\Seeder;
+use Illuminate\Support\Facades\DB;
+
+class InstituteSeeder extends Seeder
+{
+    public function run(): void
+    {
+        Institute::create([
+            'name' => 'Catch-all',
+            'is_active' => true,
+        ]);
+        $chev = Institute::create([
+            'name' => 'Chevron',
+            'is_active' => true,
+        ]);
+        $srini = Institute::create([
+            'name' => 'Srinivasa',
+            'is_active' => true,
+        ]);
+        Institute::create([
+            'name' => 'Dummy Site',
+            'is_active' => false,
+        ]);
+
+        DB::table('institute_names')->insert([
+            'name' => 'CHEVRON CLINICAL LABORATORY , PANCHLAISH,CTG',
+            'institute_id' => $chev->id,
+            'match_mode' => NameMatchModes::Exact->value,
+        ]);
+        DB::table('institute_names')->insert([
+            'name' => 'CHEVRON CLINICAL',
+            'institute_id' => $chev->id,
+            'match_mode' => NameMatchModes::StartsWith->value,
+        ]);
+    }
+}
diff --git a/database/seeders/SiteSeeder.php b/database/seeders/SiteSeeder.php
deleted file mode 100644
index 8bc9ea7..0000000
--- a/database/seeders/SiteSeeder.php
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-
-namespace Database\Seeders;
-
-use App\Models\Site;
-use Illuminate\Database\Seeder;
-
-class SiteSeeder extends Seeder
-{
-    public function run(): void
-    {
-        Site::create([
-            'name' => 'Chevron',
-            'is_active' => true,
-        ]);
-        Site::create([
-            'name' => 'Srinivasa',
-            'is_active' => true,
-        ]);
-        Site::create([
-            'name' => 'Dummy Site',
-            'is_active' => false,
-        ]);
-    }
-}
diff --git a/database/seeders/UserSeeder.php b/database/seeders/UserSeeder.php
index c95959e..77a6e9b 100644
--- a/database/seeders/UserSeeder.php
+++ b/database/seeders/UserSeeder.php
@@ -3,6 +3,7 @@
 namespace Database\Seeders;
 
 use App\Models\Enums\UserRole;
+use App\Models\Institute;
 use App\Models\User;
 use Illuminate\Database\Seeder;
 
@@ -19,13 +20,16 @@ public function run(): void
             'role' => UserRole::Admin->value,
         ]);
 
+        $chevron = Institute::where('name', 'Chevron')->first();
+        $srini = Institute::where('name', 'Srinivasa')->first();
+
         User::factory(2)->create([
-            'site_id' => 1,
+            'institute_id' => $chevron->id,
             'role' => UserRole::Technologist->value,
         ]);
 
         User::factory(2)->create([
-            'site_id' => 2,
+            'institute_id' => $srini->id,
             'role' => UserRole::Technologist->value,
         ]);
     }