Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrates hyperinflated lungs and flattening of the diaphragms . The heart is enlarged . There is no evidence to suggest pulmonary edema . There is no pleural effusion . No focal opacity convincing for pneumonia is identified . Note is made of a severe compression deformity at the L1 level with vertebroplasty changes .
    OUTPUT:
    
No findings convincing for pneumonia . Hyperinflated lungs and flattening of the diaphragm suggest chronic obstructive disease . Moderate compression deformity of T12 noted with prior vertebroplasty .