Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The underinflated lungs are clear . There is stable moderate cardiomegaly . There is no pneumothorax or pleural effusion . There is bibasilar atelectasis . The pulmonary vascularity is normal . There is no evidence of intra-abdominal free air . Surgical clips are noted in the right upper quadrant , consistent with probable prior cholecystectomy . There is S - shaped scoliosis of the thoracic spine .
    OUTPUT:
    
1 . No evidence of intra-abdominal free air . 2 . Stable cardiomegaly . 3 . No evidence of decompensated congestive heart failure or pneumonia .