Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal AP upright and lateral views of the chest were obtained . The lung volumes are slightly low , resulting in bronchovascular crowding . Increased opacity at the left lower lobe is likely atelectasis and crowding of vessels , although it could represent pneumonia in the appropriate clinical setting . The remainder of the lungs are clear . There is no pleural effusion or pneumothorax . Heart size is within normal limits allowing for technique . Mediastinal silhouette and hilar contours are normal . The patient is status post right upper extremity amputation . A left chest port catheter ends in the distal SVC .
    OUTPUT:
    
Left lower lobe opacity is likely atelectasis but could represent pneumonia in the appropriate clinical setting . Per discussion with Dr . ___ ( ED physician ) , there is little clinical concern for pneumonia .