Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate right basilar opacification with obscuration of the right heart border and right hemidiaphragm , consistent with pneumonia of the right middle and lower lobes . There is no pleural effusion or pneumothorax . The heart size is normal .
    OUTPUT:
    
Right middle and right lower lobe pneumonia .