Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no effusion or pneumothorax . There are rounded opacities at the medial right base . There is moderate pulmonary vascular congestion and minimal edema . The patient is status post CABG with sternal wires and surgical clips appearing similar to prior . Left chest cardiac device and lead tips appear similar to prior . Cardiomegaly is moderate , as on prior . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
1 . Moderate pulmonary vascular congestion and minimal edema . 2 . Rounded opacities at the right base may represent pulmonary veins but are indeterminate . Post diuresis PA and lateral chest radiographs may be obtained on a nonurgent basis to exclude pulmonary nodules .