Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright chest film ___ at 10 :57 is submitted .
    OUTPUT:
    
Lung volumes remain diminished . No focal airspace consolidation is seen to suggest pneumonia . Streaky opacities at the bases likely reflect atelectasis . No pleural effusions or pneumothorax . Overall cardiac and mediastinal contours are stable . No evidence of pulmonary edema .