Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated with flattening of bilateral hemidiaphragms , suggesting chronic pulmonary disease . There is no evidence of pneumonia , pulmonary edema or pleural effusions . No pneumothorax . The mediastinum , hila and heart are within normal limits . There is a small Bochdalek hernia , better characterized on CT abdomen .
    OUTPUT:
    
1 . No radiographic evidence of pneumonia . 2 . Lung hyperinflation suggest chronic obstructive pulmonary disease .