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(A) Kaplan-Meier curve analysis of overall survival (OS) according to multiple marker quantitative realtime reverse transcriptase polymerase chain reaction and histopathology status in 215 patients; (B) Kaplan-Meier curve analysis of OS according to number of molecular markers in 162 SN histopathology-negative patients. H&E, hematoxylin and eosin; IHC, immunohistochemistry. Reprinted with permission from Takeuchi et al.89
