Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval removal of right chest tube . Suggestion of tiny right apical pneumothorax , not definitely seen on prior exam . Marked enlargement cardiac silhouette , stable . Tiny right pleural effusion . Stable bilateral perihilar , right basilar opacities . Mild gastric distension , new . Stable right chest wall subcutaneous emphysema . Right thoracotomy . Arterial calcifications .
    OUTPUT:
    
Probable tiny right apical pneumothorax