Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and aortic valve replacement . Right - sided PICC terminates in the mid SVC . The heart remains mildly enlarged . The mediastinal and hilar contours are unchanged . There is no pulmonary edema . Apart from minimal atelectasis in the right lung base , no focal consolidation , pleural effusion or pneumothorax is visualized . Assessment of the medial aspects of both lung apices is obscured by the patient 's chin and neck projecting over these regions . Moderate to severe degenerative changes are seen in both glenohumeral joints .
    OUTPUT:
    
Minimal right basilar atelectasis . No pneumonia or congestive heart failure .