Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are mildly hyperexpanded . There is a left retrocardiac opacity projecting over the lower thoracic spine on the lateral view . Heart size is normal . The mediastinal and hilar contours are normal . Biapical pleural thickening and scarring is unchanged . There is no pleural effusion or pneumothorax . There are post vertebroplasty in the thoracic spine and upper lumbar spine . Height loss of the superior endplate of a mid thoracic vertebral body is also unchanged .
    OUTPUT:
    
1 . Suspected left lower lobe pneumonia . 2 . COPD .