Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is stable appearance of a right subclavian port with tip terminating in the upper SVC . The cardiomediastinal and hilar contours are normal . There is no pleural effusion or pneumothorax . There is no focal consolidation concerning for pneumonia . Pulmonary vasculature is within normal limits . Linear atelectasis is present at the left lung base . Again seen are multiple rounded opacities in the right mid and lower lung zone that appear , when examining multiple prior studies , to maintain a close relationship to ribs and likely represent old healed rib fractures . In retrospect , these rib lesions were present on the skeletal survey from ___ .
    OUTPUT:
    
Linear atelectasis at the left lung base . No pneumonia or pulmonary edema .