Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Hyper expansion of the lungs consistent with chronic pulmonary disease . Right apical opacity most likely represents pleural thickening . Opacity in the right lung base obscures the right hemidiaphragm and right heart border . There is no pulmonary edema , pleural effusion or pneumothorax . The cardiac and mediastinal contours are stable .
    OUTPUT:
    
New opacification at the right base since ___ is most likely atelectasis but in the appropriate clinical setting could be due to pneumonia .