https://www.selleckchem.com/pr....oducts/proteinase-k.
Objective To analysis the prognosis related factors of patients with small cell cancer of the esophagogastric junction treated by surgery. Methods The clinicopathologic data of 129 patients with small cell cancer of the esophagogastric junction underwent surgery treatment in the Fourth Hospital of Hebei Medical University from January 2004 to December 2010 were retrospectively analyzed. Univariate survival survival was performed by Kaplan-Meier method and Log rank test. Multivariate survival was analyzed by using Cox proportional h