Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single frontal image of the chest demonstrates clearing of the previously seen mild pulmonary edema . Now seen is a left pleural effusion , unchanged in size from previous imaging . A small right pleural effusion is also seen . Calcifications at the lung bases are again seen which are consistent with asbestos exposure . The cardiac silhouette is very large . The left - sided predominance of the patient 's pleural effusion could unusual , left dominant pleural effusion due to heart failure ( usually right - sided predominance ) , but could also be due to pleural pathology or pleuro - pericarditis . Given the findings of asbestos exposure , this raises concern for mesothelioma .
    OUTPUT:
    
Persistent moderate - sized , unexplained left pleural effusion and massive cardiomegaly and / or pericardial effusion . Asbestos related pleural calcifications .