Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal AP and lateral views of the chest were obtained . Low lung volumes result in bronchovascular crowding . Increased opacity at the right lung base is right middle lobe collapse . The radiograph suggests there is also partial right lower lobe atelectasis . Evaluation of the cardiac silhouette is limited by right lower lobe opacity . There is free air under the right hemidiaphragm .
    OUTPUT:
    
1 . Free intraperitoneal air . 2 . Complete right middle lobe collapse . Partial right lower lobe atelectasis .