Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and aortic valve replacement . Heart size is mildly enlarged , but stable . Since the prior study , there is a new right pleural effusion which is small . The lungs are essentially clear and there is no evidence of pneumonia or pulmonary edema . In the right lower lung , laterally , there is a 1 .1 cm lung nodule which was seen previously in ___ , not significantly changed . No pneumothorax . Osseous structures are intact .
    OUTPUT:
    
1 . New small right pleural effusion compared to ___ . No evidence of pulmonary edema . 2 . Stable mild cardiomegaly . 3 . 1 .1 cm right lower lung nodule could be better evaluated with CT .