Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and CABG . Patient is relatively kyphotic in position . There is prominence and indistinctness of the hila suggesting moderate vascular congestion . For confluent opacity at the left mid lung could be due to vascular congestion versus infection . No large pleural effusion is seen . There is no evidence of pneumothorax . Cardiac and mediastinal silhouettes are stable . Again seen chronic deformity of the right humeral head .
    OUTPUT:
    
Vascular congestion . More confluent opacity at the left mid lung may be due to infection versus component of vascular congestion .