Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Supine and two cross - table lateral chest radiographs are severely limited by the patient 's markedly abnormal body habitus secondary to osteogenesis imperfecta . The aeration of the left lung has improved since yesterday 's exam . No pneumothorax is identified . The bones are diffusely demineralized with extensive osseous deformities . A large volume of bowel gas is noted .
    OUTPUT:
    
Limited assessment of the chest . Left lung aeration has improved .