Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Comparison is made to previous study from ___ . There is again seen a left - sided PICC line with distal lead tip at the cavoatrial junction . Heart size is prominent , but unchanged . There is tortuosity of the thoracic aorta . There are low lung volumes . There is prominence of pulmonary interstitial markings suggestive of emphysema . No overt pulmonary edema is seen . There is atelectasis at the lung bases and likely a small right - sided pleural effusion . Several old right - sided rib fractures are seen . There is also a fracture deformity of the right humerus at the surgical neck . Contrast is seen in the transverse colon . A portion of a right humeral head prosthesis is also present .
    OUTPUT:
    
No significant interval change . There is atelectasis at the lung bases , small right - sided pleural effusion prominence of the pulmonary interstitial markings , and emphysematous changes , which are all stable .