Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . The mediastinal and hilar contours are unremarkable . The pulmonary vasculature is normal . Patchy ill - defined opacity is seen within the right upper lobe concerning for pneumonia . Left lung is clear . No pleural effusion or pneumothorax is detected . There are no acute osseous abnormalities .
    OUTPUT:
    
Right upper lobe pneumonia . Followup radiographs are recommended after treatment to ensure resolution of this finding .