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Table 3 KRAS mutational status of primary tumors and paired metastatic sites

From: Different metastatic pattern according to the KRAS mutational status and site-specific discordance of KRAS status in patients with colorectal cancer

KRAS status No. of WT KRAS (P) No. of MT KRAS (P)
No. of WT KRAS (M) 68 12a
No. of MT KRAS (M) 13a 50
  1. a Discordant cases.
  2. Abbreviations: WT, wild-type; P, primary tumors; MT, mutant-type; M, paired metastatic sites.