Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . Increased opacification right lower lung may be exaggerated by lower lung volumes or may represent worsening atelectasis and / or consolidation . The left lung volume is stable . Unchanged left pleural effusion with overlying atelectasis . Stable moderate to severe cardiomegaly . Stable widening of the mediastinum as expected postoperatively . No evidence of postprocedural pneumothorax . Median sternotomy wires are intact . The carina is not well visualized however the ETT appears to be in appropriate position approximately 5 cm from the carina . The right swans Ganz catheter terminates in the right pulmonary artery . The NG tube is in the stomach .
    OUTPUT:
    
Possible consolidation right lower lung however could be worsened atelectasis exaggerated by lower lung volumes . Unchanged left pleural effusion and atelectasis .