Survival analysis in rectal carcinoma after neoadjuvant chemoradiation: various methods with different results.

Susanne MerkelKlaus WeberJonas GöhlAbbas AgaimyRainer FietkauWerner HohenbergerRobert GrützmannPaul Hermanek

Published in: International journal of colorectal disease (2017)

Comparisons of survival are only meaningful if the same methods are applied. The 3-year rate of DFS was always worse than the rate of 5-year OS. Therefore, the 3-year rate of DFS appears to be a useful surrogate indicator in rectal carcinoma treatment studies.

Keyphrases

rectal cancer
locally advanced
lymph node
free survival
squamous cell carcinoma
radiation therapy
combination therapy