Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Patient 's chin obscures the left apex . There is mild hilar congestion . A subtle opacity is seen in the right lower lung which could represent pneumonia in the correct clinical setting . No large effusion or pneumothorax . Cardiomediastinal silhouette appears unchanged . Bony structures appear intact .
    OUTPUT:
    
Mild hilar congestion . Possible pneumonia in the right lower lung .