Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a dense opacity in the right lower lobe , obscuring the right hemidiaphragmatic contour . The lungs are otherwise clear . There is no pneumothorax or pleural effusion . Pulmonary vascularity is normal . The hilar and cardiomediastinal contours are normal .
    OUTPUT:
    
Right lower lobe pneumonia .