Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lungs are hyperinflated suggesting underlying COPD . Vague opacity projecting over the right lung base on the frontal projection does not have a correlate abnormality on the lateral projection and appears unchanged suggesting the possibility of a prominent fat pad . Otherwise the lungs are clear . No effusion or pneumothorax . Heart size is stable and mildly enlarged . Mediastinal contour is unremarkable . No free air below the right hemidiaphragm .
    OUTPUT:
    
Probable COPD with hazy opacity at the right medial lung base thought to represent a prominent fat pad .