Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest were acquired . A right Port - A - Cath ends near the superior cavoatrial junction . Near - complete collapse of the right middle lobe is not significantly changed . A known infiltrative mass involving the right middle lobe is inseparable from the atelectasis in this region by radiography . Ground - glass opacities throughout both lungs , predominantly in the upper lobes , is better evaluated on subsequent chest CTA . Right perihilar opacity is stable versus slightly increased compared to prior . The heart is normal in size . The mediastinal contours are normal . A moderate right subpulmonic effusion is noted . There is no pneumothorax .
    OUTPUT:
    
1 . Unchanged near - complete collapse of the right middle lobe . 2 . Subtle ground - glass opacities throughout both lungs , fully described on the subsequent chest CTA from ___ . 3 . Stable to mildly increased right perihilar opacity . 3 . Moderate right subpulmonic pleural effusion .