Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are present . Right - sided Port - A - Cath tip terminates in the low SVC . Heart size is top - normal . The aorta is mildly tortuous . The mediastinal and hilar contours are within normal limits . Pulmonary vasculature is not engorged . Patchy atelectasis is noted in the lung bases without focal consolidation . No large pleural effusion or pneumothorax is identified . No acute osseous abnormality is visualized .
    OUTPUT:
    
Low lung volumes with mild bibasilar atelectasis .