Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Midline sternotomy wires and mediastinal clips are again noted . The heart remains mildly enlarged focal LV configuration . There is mild right basal platelike atelectasis . No convincing signs of pneumonia or edema . No large effusion or pneumothorax . The mediastinal contour is unchanged with an unfolded thoracic aorta . The imaged bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Stable cardiomegaly . No signs of edema or pneumonia .