Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrates a confluent opacity within the right upper lobe peripherally compatible with pneumonia . The left lung is clear . There is no pleural effusion or pneumothorax . Cardiomediastinal and hilar contours are within normal limits . No acute osseous abnormality is detected .
    OUTPUT:
    
Right upper lobe pneumonia .