Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Overlying EKG leads are present . The heart is moderately enlarged . No focal consolidation is seen . No large effusion or pneumothorax . No convincing evidence for pulmonary edema . Bony structures are intact . Mediastinal contour is unremarkable aside from atherosclerotic calcifications at the aortic knob .
    OUTPUT:
    
Stable cardiomegaly . No signs of pneumonia or overt edema .