Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Assessment is limited due to patient rotation . Right - sided Port - A - Cath tip terminates in the right atrium . The heart size is mildly enlarged . Mediastinal contours are grossly unremarkable . There is no pulmonary edema . Streaky opacities within the right lung base likely reflect atelectasis . No focal consolidation , pleural effusion or pneumothorax is identified . Previously noted osseous metastases are seen better visualized on the prior CT .
    OUTPUT:
    
Right basilar atelectasis .