Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC terminates in the mid to lower SVC . Lung volumes remain low and a linear atelectasis in the left mid lung field is unchanged . No pleural effusion , pneumothorax , or new parenchymal opacity . Spinal hardware is again partially imaged .
    OUTPUT:
    
Low lung volumes . No evidence of pneumonia .