Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided Port - A - Cath terminates in the mid SVC . Streaky bibasilar atelectasis is noted . A rounded opacity is seen overlying the left lower lobe , which may represent a nipple shadow although a parenchymal opacity can not be excluded . There is no focal consolidation , pleural effusion , pneumothorax , or pulmonary edema identified . The heart size is normal . Mediastinal and hilar contours are normal .
    OUTPUT:
    
1 . No radiographic evidence for acute cardiopulmonary process . 2 . Rounded opacity overlying the left lower lobe . Recommend oblique views with nipple markers to further characterize the opacity .