Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . No free air below the right hemidiaphragm . A metallic CBD stent projects over the right upper quadrant . There is increased left basal atelectasis . No convincing evidence for pneumonia . No large effusion or pneumothorax . Cardiomediastinal silhouette is normal . No bony abnormalities . Supine and upright views of the abdomen pelvis provided demonstrate dilated loops of small bowel , new from prior measuring up to 4 .4 cm concerning for small bowel obstruction . Hyperdense material in the colon represents residual contrast from prior CT . Degenerative changes at both hips and in the lumbar spine noted .
    OUTPUT:
    
Findings concerning for small bowel obstruction . Left basal atelectasis . No free air .