Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are mildly hyperexpanded , as evidenced by flattening of the diaphragms a lateral view , compatible with emphysema . No pleural effusion or pneumothorax . Prominence of the right hilum is compatible with known malignancy and adenopathy , but would be better assessed by CT . Increased opacity in the mid-right lung may represent progression of disease , however , superimposed infection would be difficult to exclude . The previously seen middle lobe infarction has resolved . Heart is normal size . Cervical hardware is incompletely imaged .
    OUTPUT:
    
1 . Opacity in the mid-right lung may represent progression of disease , however , superimposed infection would be difficult to exclude . 2 . Known lung cancer would be better assessed by CT .