Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of a left PICC and insertion of a tunneled right large - bore catheter which ends in the low SVC . Lung volumes are low , markedly decreased compared to the most recent study from ___ . There is subsegmental bibasilar atelectasis , left greater than right . There are no definite pleural effusions . No pneumothorax is seen . The heart size is normal . The mediastinal contours are normal .
    OUTPUT:
    
1 . Low lung volumes . No evidence of infection or pulmonary edema . 2 . New right tunneled catheter ends in the low SVC .