Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable view of the chest . There is no focal consolidation , pleural effusion or pneumothorax . The patient is status post sternotomy . Mediastinal clips are stable in position . Moderate cardiomegaly is unchanged . The mediastinal and hilar contours are normal . : eft lower lobe atelectasis is unchanged .
    OUTPUT:
    
Unchanged left basilar atelectasis and moderate cardiomegaly .