Update app.py

app.py

@@ -432,7 +432,7 @@ class DicomAnalyzer:
                 ws.merge_cells(f'F{row}:G{row}')
                 ws.merge_cells(f'H{row}:I{row}')
                 
-                cell = ws[f'C{row}"]
+                cell = ws[f'C{row}']
                 cell.value = size
                 cell.font = red_font
                 cell.alignment = center_alignment