Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Assessment is slightly limited by patient rotation . Right PICC has been withdrawn with tip in the mid SVC . Heart size appears mildly enlarged , unchanged . Mediastinal and hilar contours are grossly similar with rightward shift of mediastinal structures again noted . No pulmonary edema is present . Streaky opacities in the right lung base likely reflect areas of atelectasis . No pleural effusion or pneumothorax is present .
    OUTPUT:
    
Right basilar atelectasis with rightward shift of mediastinal structures .