Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were reviewed and compared to the prior studies . Unchanged focal calcification overlying the right second rib anteriorly and the left sixth rib posteriorly are likely granulomas . Otherwise , the lungs are clear without pulmonary edema , effusion , or pneumothorax . Mild cardiomegaly is unchanged . Mediastinal contours are normal . Patient is status post CABG . The median sternotomy wires are intact and well aligned and clips are seen overlying the heart . Degenerative changes in the thoracic spine are unchanged .
    OUTPUT:
    
No acute cardiopulmonary disease . Unchanged moderate cardiomegaly .