Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Severe cardiomegaly is re- demonstrated . Aortic knob calcifications are noted , with the mediastinal and hilar contours appearing unchanged . Mild pulmonary vascular congestion is present without focal consolidation , pleural effusion or pneumothorax . Linear opacities in the left mid lung field likely reflect subsegmental atelectasis . There are no acute osseous abnormalities .
    OUTPUT:
    
Severe cardiomegaly with mild pulmonary vascular congestion .