diff --git a/app/DAL/Studies/WorklistBase.php b/app/DAL/Studies/WorklistBase.php
index 6e3e033..866ce2e 100644
--- a/app/DAL/Studies/WorklistBase.php
+++ b/app/DAL/Studies/WorklistBase.php
@@ -164,7 +164,7 @@ protected function getStudiesQuery(): Builder
             $q = Study::query();
         }
 
-        return $q->with(['readingPhysician', 'dicomServer', 'assignedPhysicians', 'reports']);
+        return $q->with(['readingPhysician', 'dicomServer', 'assignedPhysicians', 'reports', 'lockingPhysician']);
     }
 
     protected function applySort(Builder $query): Builder
diff --git a/app/DataTables/WorklistDataTable.php b/app/DataTables/WorklistDataTable.php
index ebbac8a..b128bf1 100644
--- a/app/DataTables/WorklistDataTable.php
+++ b/app/DataTables/WorklistDataTable.php
@@ -23,7 +23,7 @@
 class WorklistDataTable extends DataTable
 {
     const DATE_FORMAT_SHORT = 'd.m.Y H:i';
-    const DATE_FORMAT_LONG = 'd/m/Y h:i A';
+    const DATE_FORMAT_LONG = 'h:i A, d-M-Y (D)';
 
     private static function renderDateColumn(Carbon|CarbonImmutable|null $dt): ?string
     {
@@ -281,7 +281,7 @@ private function physicianColumn(Study $study): ?string
                     [
                         'src' => asset('imgs/assigned.png'),
                         'class' => 'msg-icon',
-                        'tip' => 'Assigned on ' . $study->assigned_at->format(self::DATE_FORMAT_LONG),
+                        'tip' => 'Assigned at ' . $study->assigned_at->format(self::DATE_FORMAT_LONG),
                     ]);
             }
 
@@ -290,7 +290,7 @@ private function physicianColumn(Study $study): ?string
                     [
                         'src' => asset('imgs/lock.png'),
                         'class' => 'ms-1 msg-icon',
-                        'tip' => 'Locked on ' . $study->locked_at->format(self::DATE_FORMAT_LONG),
+                        'tip' => sprintf("Locked by %s\n at %s", $study->lockingPhysician?->display_name ?? '', $study->locked_at->format(self::DATE_FORMAT_LONG)),
                     ]);
             }
 
@@ -318,6 +318,15 @@ private function renderCustomColumns(): array
 
         foreach (WorklistGuard::worklistColumns() as $col) {
             switch ($col) {
+                case WorklistColumn::PatientId:
+                    $columns[$col->value] = static function (Study $study) {
+                        if (me()->isRadiologist() || ! $study->canEditMetadata()) {
+                            return $study->patient_id;
+                        }
+
+                        return '<a target="_blank" href="' . route('staff.meta.edit', $study->hash) . '">' . $study->patient_id . '</a>';
+                    };
+                    break;
                 case WorklistColumn::PatientName:
                     $columns[$col->value] = static function (Study $study) {
                         if (me()->isRadiologist() || ! $study->canEditMetadata()) {
@@ -385,12 +394,33 @@ private function renderCustomColumns(): array
 
     private function generateReportingButtons(Study $study): string
     {
-        if (me()->isRadiologist() && $study->canEditReport() && ! $study->hasReports()) {
-            // fresh untouched study, can edit report: take the rad directly to the edit page
-            return '<a href="' . route('staff.report.create', $study->hash) . '" target="_blank" class="btn btn-sm btn-outline-light"><i class="fa-light fa-edit"></i></a>';
+        $hasReports = $study->hasReports();
+        $img = $hasReports ? 'report.png' : 'inbox.png';
+
+        if (me()->isRadiologist()) {
+            if ($study->isLocked() && ! $study->isLockedBy()) {
+                // study was locked by someone else
+                return Blade::render('_partials._img-tooltip',
+                    [
+                        'src' => asset('imgs/lock.png'),
+                        'class' => 'msg-icon',
+                        'tip' => 'Study has been locked',
+                    ]
+                );
+            }
+
+            if ($study->canEditReport() && ! $hasReports) {
+                // fresh untouched study, go directly to the edit page
+                return $this->renderImageLink(
+                    $study->hash, $img, '', 'Report', route('staff.report.create', $study->hash), true
+                );
+            }
         }
 
-        return $this->renderButton($study->hash, 'fa-eye', 'show-reports btn-outline', 'R');
+        // fallback: show popup with report history
+        return $this->renderImageLink(
+            $study->hash, $img, 'show-reports', 'Report'
+        );
     }
 
     private function renderButton(string $data_id, string $fa_icon, string $data_class, string $text, string $url = '#', bool $blank = false): string
diff --git a/app/Models/Study.php b/app/Models/Study.php
index 7a5d516..f8cf416 100644
--- a/app/Models/Study.php
+++ b/app/Models/Study.php
@@ -133,6 +133,11 @@ public function readingPhysician(): BelongsTo
         return $this->belongsTo(User::class, 'reading_physician_id');
     }
 
+    public function lockingPhysician(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'locking_physician_id');
+    }
+
     public function assignedPhysicians(): BelongsToMany
     {
         return $this->belongsToMany(User::class, 'study_assignments');