Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided Port - A - Cath tip terminates in the low SVC . Cardiac , mediastinal and hilar contours are unchanged , with the heart size within normal limits . Pulmonary vasculature is not engorged . Streaky atelectasis is noted in the lung bases without focal consolidation . No pleural effusion or pneumothorax is present . Moderate multilevel degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
Mild bibasilar atelectasis . Otherwise , no acute cardiopulmonary process .