Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Severe cardiomegaly has increased since ___ with right and left atrial enlargement , consistent with right heart decompensation . Lung volumes are low with a possibly small left pleural effusion . No focal consolidation or pneumothorax . A left subclavian vascular stent is new since the prior exam .
    OUTPUT:
    
Increased cardiomegaly . No focal consolidation .