Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are provided demonstrating a subtle opacity in the right upper lobe concerning for pneumonia . This opacity is seen posterior to the trachea on the lateral projection and silhouetting the right mediastinal border on the frontal projection . Otherwise , the lungs are clear . No effusion is seen . There is no pneumothorax . The heart size is normal . Bony structures are intact .
    OUTPUT:
    
Findings concerning for pneumonia in the right upper lobe . Followup to resolution advised .