Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided Port - A - Cath tip terminates in the proximal right atrium . Lung volumes are low . Heart size is borderline enlarged . The mediastinal and hilar contours are unremarkable . Pulmonary vasculature is not engorged . Streaky opacities in the lung bases likely reflect areas of atelectasis . No focal consolidation , pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Low lung volumes with bibasilar atelectasis .