Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left PICC tip terminates in the upper SVC . Lung volumes are low . Heart size is moderately enlarged but unchanged . The mediastinal and hilar contours are similar with crowding of the bronchovascular structures noted . While there may be mild pulmonary vascular congestion , no overt pulmonary edema is demonstrated . Small bilateral pleural effusions are likely present with chronic elevation of the right hemidiaphragm again noted . Bibasilar atelectasis is present , more pronounced on the right . No pneumothorax is identified .
    OUTPUT:
    
Left PICC tip in the upper SVC . Low lung volumes . Probable mild pulmonary vascular congestion and small bilateral pleural effusions with bibasilar atelectasis .