Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Midline sternotomy wires are noted . Overlying EKG leads are present . There is mild elevation of the left hemidiaphragm with mild blunting of the left CP angle which could represent pleural thickening or a small pleural effusion . The heart is mildly enlarged with unfolded thoracic aorta . There is no convincing signs of pneumonia though mild hilar congestion is likely present with mild interstitial pulmonary edema . No bony injuries .
    OUTPUT:
    
Mild cardiomegaly , mild edema , possible tiny left pleural effusion .