Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided central venous catheter tip terminates at the cavoatrial junction , unchanged . Previously noted nasogastric tube has been removed . There is severe cardiomegaly , which is unchanged . Mild perihilar haziness and vascular indistinctness is compatible with mild pulmonary vascular congestion , slightly improved from the prior study . Streaky ill - defined opacities at the lung bases may reflect atelectasis . No pleural effusion or pneumothorax is definitively noted . Multiple bilateral old rib fractures are present . Additionally , the patient is status post ORIF of a left proximal humeral fracture .
    OUTPUT:
    
Mild pulmonary vascular congestion , improved from the prior study . Patchy opacities at the lung bases likely reflect atelectasis , though infection can not be completely excluded .