Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Overlying EKG leads are present . Lung volumes are low . There is mild pulmonary edema with stable mild cardiomegaly . Linear density in the left mid lung could represent atelectasis or scarring . No large effusion is seen . Bony structures are intact .
    OUTPUT:
    
Mild cardiomegaly and mild pulmonary edema .