Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Severe cardiomegaly again noted . Mediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . Lung volumes are slightly low , and there is no focal consolidation concerning for pneumonia . There is no overt evidence of pulmonary edema . Slightly increased interstitial markings are stable compared to the prior study . Distension of bowel loops in the upper abdomen is similar appearance to the prior exams . Multiple healed fractures in the right ribcage are noted .
    OUTPUT:
    
Severe cardiomegaly without focal consolidation concerning for pneumonia or overt pulmonary edema .