Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Previous left upper lobe collapse has improved as central adenopathy recedes . A flame - shaped opacity extending to the upper pole of the right hilus could , was present on both ___ and a torso CT on ___ . This is probably lymphomatous involvement of the right upper lobe . There are no findings that strongly suggest any pneumonia . Pleural effusion is minimal if any . The heart is normal size . Stomach is distended with air and fluid .
    OUTPUT:
    
AP chest compared to ___ and ___ .