Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest film dated ___ at 10 :04 is submitted .
    OUTPUT:
    
Lungs appear well inflated without evidence of focal airspace consolidation , pleural effusions , pulmonary edema or pneumothorax . Minimal linear opacities at the left costophrenic angle may reflect scarring or subsegmental atelectasis . Overall cardiac and mediastinal contours are stable . Minimal biapical pleural calcification of uncertain clinical significance . No acute bony abnormality .