Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are decreased , accentuating the cardiac silhouette and bronchovascular structures . Bibasilar atelectasis however has increased . No significant intra-abdominal free air identified in this portable chest radiograph . No focal consolidation identified . There is gastric distention .
    OUTPUT:
    
1 . No significant intra-abdominal free air identified in this portable chest radiograph . However examination is limited by patient positioning . If feasible and patient can tolerate it , a true upright examination should be obtained for complete evaluation . 2 . Gastric distention .