Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are slightly low with bibasilar atelectasis . No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is seen . Heart size is difficult to evaluate in the setting of low lung volumes . Mediastinal contours are within normal limits . The stomach is markedly distended with an air - fluid level .
    OUTPUT:
    
Low lung volumes with bibasilar atelectasis ; no radiographic evidence for acute cardiopulmonary process . Stomach distended with an air - fluid level .