Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperexpanded , compatible with COPD and emphysema . No pleural effusion or pneumothorax . Stable lucency of the right lower lung . New opacity is noted obscuring the left heart border . Chronic right middle lobe collapse noted . Heart , mediastinal contour , and hila are otherwise unremarkable . Old right lateral rib fracture . Stable mild compression deformity of a lower thoracic vertebral body . Limited assessment of upper abdomen is unremarkable .
    OUTPUT:
    
1 . New opacity obscuring left heart border is worrisome for a lingular pneumonia . Clinical correlation recommended . 2 . COPD / emphysema . 3 . Chronic right middle lobe collapse .