Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post coronary artery bypass graft surgery . The heart is at the upper limits of normal size . The mediastinal and hilar contours appear unchanged including unfolding of the thoracic aorta . The lung volumes are low . The interstitium is mildly prominent suggesting slight congestion , but there is no focal opacity , pleural effusion or pneumothorax . A vague nodular opacity projects over the right mid lung along the course of teh right posterior seventh rib . Thin flowing syndesmophytes are present , and the bones are probably demineralized to some degree . Surgical clips project over the right upper quadrant .
    OUTPUT:
    
1 . Findings suggestive of slight congestion , but no definite pneumonia . 2 . Vague density projecting over the right mid lung also overlapping with interstitial change in the course of the right posterior seventh rib . To see whether this density may persist and require evaluation as a potential nodule , when clinically appropriate , standard PA and lateral views are recommended to evaluate further . The findings and recommendations were discussed with Dr . ___ at 10 :30 pm on the same day by telephone .