Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable view of the chest demonstrates left PIC catheter tip projecting over cavoatrial junction . No pneumothorax . Lung volumes are low . Left lung base consolidations likely represents atelectasis . There is no pleural effusion or pneumothorax . Hilar and mediastinal silhouettes are unremarkable . Heart size is normal . There is no pulmonary edema .
    OUTPUT:
    
Low lung volumes with left lung base consolidation , most likely atelectasis or infection in the appropirate clinical setting .