Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , which accentuates bronchovascular markings . Subtle bibasilar opacities are not significantly changed , and compatible with known NSIP . There is no new focal consolidation , pleural effusion or pneumothorax . No overt pulmonary edema . Accounting for portal technique , cardiomediastinal silhouette is unremarkable . No acute osseous abnormalities are identified . The Port - A - Cath is unchanged in position with distal tip in the right atrium . Surgical clips are seen within the right axilla .
    OUTPUT:
    
Low lung volumes , without evidence of overt pulmonary edema .