Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . AICD overlies the left chest wall with leads extending into the right heart . Midline sternotomy wires are noted . The heart is markedly enlarged . Mild pulmonary edema is present without large effusion or pneumothorax . Hila appear slightly engorged . No convincing signs of pneumonia . Mediastinal contour stable .
    OUTPUT:
    
Marked cardiomegaly with mild pulmonary edema .