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Table 3 Examples of different expressions for a tumour overlapping the boundaries according to the ICD-O-3.2 and ICD-11 MMS

From: The novel and powerful ICD-11 classification system for neoplasm coding: a comparative study with the ICD-O

Neoplasm

ICD-O-3.2

ICD-11

Topography code

Morphology code

Stem code

Extension code

Adenocarcinoma of the gastric corpus and fundus

C16.8

8140/3

2B72.0

&XA7UE1&XA56K7

Adenocarcinoma of the gastric pylorus and fundus

C16.8

8140/3

2B72.0

&XA6P89&XA56K7

  1. The ICD-11 coding tool website: https://icd.who.int/devct11/icd11_mms/en/current (2022-6-28).