Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral low lung volumes are noted with crowding of bronchovascular markings . Increased opacification at the right medial lung base is concerning for aspiration / pneumonia . Cystogastrostomy tubes in the left upper quadrant are unchanged from the prior examination . A drain in the right upper quadrant .
    OUTPUT:
    
Opacity within the right middle / lower lung base with some silhouetting of the right cardiac border is concerning for aspiration / pneumonia .