Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right pectoral infusion port terminates at mid SVC . The post radiation appearance of the previously large anterior mediastinal mass is unchanged since ___ . There is well - circumscribed area of radiation fibrosis in the in the left perihilar region with traction bronchiectasis . The area of fibrosis superior denser more contracted on lateral view compared to prior . There is small pleural effusion on the left . Leftward retraction of mediastinum and elevation of left hemidiaphragm is similar to prior . Cardiac silhouette is distorted but normal size .
    OUTPUT:
    
1 . Post treatment contour of involuted left mediastinal mass is stable compared to ___ . 2 . Progressive maturation of radiation fibrosis in the left lung perihilar region . 3 . No recurrence of intrathoracic malignancy .