Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal and hilar contours are normal . The heart size is normal . Pulmonary vasculature is normal . Within the right upper lobe , and new patchy opacity is demonstrated which is concerning for pneumonia . Left lung is clear . No definite pleural effusion or pneumothorax is identified . There are mild degenerative changes seen in the thoracic spine .
    OUTPUT:
    
Patchy right upper lobe opacity , new in the interval , concerning for pneumonia . Followup radiographs after treatment are recommended to ensure resolution of this finding .