Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right PICC terminates in the distal SVC . A pigtail catheter is again seen in the right lower lung . There may be a small right apical pneumothorax , if any . There is no pleural effusion or focal airspace consolidation . Cardiac silhouette is mildly enlarged . There is a moderate hiatal hernia , unchanged . A tortuous and calcified aorta is also unchanged .
    OUTPUT:
    
Possible small right apical pneumothorax , if any .