Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . There is mild pulmonary edema with small bilateral pleural effusions . Heart is mildly enlarged but unchanged . There is no focal consolidation worrisome for pneumonia though a nodular opacity projecting over the left lower lung is again noted which is thought to represent a focus of rounded atelectasis as stated on prior CT chest . No pneumothorax . Sternotomy wires and mediastinal clips are again noted .
    OUTPUT:
    
Mild pulmonary edema with small bilateral pleural effusions .