Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright chest radiograph ___ at 04 :22 is submitted .
    OUTPUT:
    
Lungs remain well inflated without evidence of focal airspace consolidation to suggest pneumonia . Streaky linear opacities at the right costophrenic angle likely reflect subsegmental atelectasis . No pulmonary edema , pleural effusions or pneumothorax . Overall cardiac and mediastinal contours are stable .