Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is focal opacity in the right lower lobe , partially obscuring the right hemidiaphragm . The lungs are hyperinflated with decreased upper pulmonary vasculature , may indicate COPD in the right clinical setting . Heart size is within normal limits . Mediastinal and hilar contours are unremarkable . There is no evidence for pulmonary edema , pleural effusion , or pneumothorax .
    OUTPUT:
    
Focal right lower lobe pneumonia .