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Colorectal Cancer: Stages | Cancer.Net

Posted by jpluimers on 2020/07/18

For my link archive:

These explain the below stagings.

  • cT3N1Mx:
    • c: stage determined before treatment
    • T3: tumor invades through the muscularis propria into the pericolorectal tissues
    • N1: regional lymph node metastasis suspicious in 1-3 lymph nodes
    • Mx: could not be evaluated for distant metastasis
  •  cT3bN1Mx:
    • c: stage determined before treatment
    • T3b: 1-5 mm extension beyond muscularis propria
    • N1: regional lymph node metastasis suspicious in 1-3 lymph nodes
    • Mx: could not be evaluated for distant metastasis
  •  cT3N1M0:
    • c: stage determined before treatment
    • T3: tumor invades through the muscularis propria into the pericolorectal tissues
    • N1: regional lymph node metastasis suspicious in 1-3 lymph nodes
    • M0: no distant metastasis
  • cT3bN1M0:
    • c: stage determined before treatment
    • T3b: 1-5 mm extension beyond muscularis propria
    • N1: regional lymph node metastasis suspicious in 1-3 lymph nodes
    • M0: no distant metastasis
  • cT3bN1:
    • c: stage determined before treatment
    • T3b: 1-5 mm extension beyond muscularis propria
    • N1: regional lymph node metastasis suspicious in 1-3 lymph nodes
  • ypT2N1a:
    • yp: stage determined after chemotherapy (y) and histopathologic (p), in this case also after surgeries of both tumor and metastases
    • T2: size of tumor
    • N1a: regional lymph node metastasis present in 1 lymph node
    • No M means no metastasis detectable

–jeroen

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