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. Author manuscript; available in PMC: 2018 Sep 1.
Published in final edited form as: J Surg Oncol. 2017 Jun 1;116(3):351–358. doi: 10.1002/jso.24674

Table 2.

Pathologic Guideline Indication Groups and Receipt of Postoperative CRT

Total N (Column %) Received Postoperative CRT N (Row %)
Patients 4833 2120 (43.9%)
High Risk
(positive margins and/or ECS)
2074 (42.9) 1304 (62.9)
Intermediate Risk
(N2-N3, pT3-T4, negative margins, no ECS)
1280 (26.5) 583 (45.6)
Low Risk
(negative margins, no ECS, N0-N1, pT1-T2)
1479 (30.6) 233 (15.8)