Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right Port - A - Cath tip projects over the expected region of the right atrium , unchanged . Opacity projecting over the left upper hemithorax is new and appears external to the patient , limiting detailed evaluation of underlying structures . Otherwise , no significant interval change . Persistent large right loculated pleural effusion with air - fluid component , consistent with known hydro pneumothorax . Degree of associated compressive atelectasis and adjacent remaining aerated right lung is overall similar . The neoesophagus is noted . A chest tube projects over the right lower hemithorax , unchanged . The appearance of the left lung is unchanged . No left pleural effusion or pneumothorax . A colocolonic stent projects over the left upper abdomen , unchanged . Fiduciary marker projecting over the left upper quadrant is also unchanged .
    OUTPUT:
    
Persistent large right hydropneumothorax , overall unchanged .