Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . There is mild to moderate cardiomegaly . Mild basilar atelectasis without convincing evidence for pneumonia edema effusion or pneumothorax . Mediastinal contour is normal . Bony structures are intact . Overlying EKG leads are present .
    OUTPUT:
    
Cardiomegaly with mild basilar atelectasis . No convincing evidence for pneumonia .