Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An anterior cervical spinal fusion device is present . The right PICC tip terminates at the low SVC . The lung volumes are low with a prominent gastric bubble seen beneath the left hemidiaphragm resulting in atelectasis , more prominent on the left than the right . There is no large pleural effusion or pneumothorax . The heart size and mediastinal contours are within normal limits .
    OUTPUT:
    
Low lung volumes with atelectasis , worse on the left than the right , although in the appropriate clinical setting , left - sided pneumonia is a possibility .