Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right lower lung opacity has increased since ___ . There has been interval removal of the endotracheal and nasogastric tubes . The right internal jugular central venous catheter appears stable terminating in the right atrium . No pneumothorax . Postoperative mediastinal contours and cardiac borders are normal . Left chest pacemaker appears unchanged although leads are not fully visualized .
    OUTPUT:
    
Increased opacity in the right lower lung is concerning for clinically suspected aspiration . Differential diagnosis includes evolving infectious pneumonia , or less likely atelectasis .