Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Port - A - Cath resides over the right chest wall with catheter tip extending to the low SVC . There is no focal consolidation , effusion , or pneumothorax . The cardiomediastinal silhouette is normal . Anchors are noted in the right humeral head which appears medially subluxed . Otherwise , the imaged bony structures appear intact . No free air below the right hemidiaphragm is seen . A metallic stent projecting over the right upper quadrant resides within the CBD .
    OUTPUT:
    
No acute findings . Apparent medial subluxation of the right humeral head , of unknown chronicity .