Table S3. Histologic summary by scanner type, with DFS and OS events reported as (# DFS events/# OS events).

Scanner	AC	SCC	Other
Advance	12 (5/5)	7 (2/1)	3 (1/0)
Dis LS	16 (9/8)	8 (4/3)	2 (2/1)
Dis STE	5 (3/2)	11 (8/6)	0

AC, adenocarcinoma; SCC, squamous cell carcinoma; DFS, disease-free survival; OS, overall survival.