Malignant neoplasm of anus and anal canal


anal neoplasm: A benign or malignant neoplasm that affects the anal canal or anal margin. Representative examples of benign neoplasms include squamous papilloma and papillary hidradenoma. Representative examples of malignant neoplasms include carcinoma, lymphoma, and melanoma.

Data source
FinnGen phenocode C3_ANUS_ANALCANAL
Cause of Death registry ICD-10: C21, ICD-8: 1542
Cancer reg: TOPOGRAPHY codes C21
Level in the ICD-hierarchy 3
First defined in version DF4
DOID 14110, 4551
GWAS catalog 0003835
MESH D001005
SNOMED CT 126849006

Key figures

Sex All Female Male
Number of individuals 81 55 26
Unadjusted prevalence (%) 0.05 0.06 0.03
Mean age at first event (years) 61.48 58.69 67.39
Case fatality at 5-years (%) 11.11 9.09 15.38

Longitudinal metrics

Sex All Female Male
Median nb. of events per indiv. 1 1 1
Recurrence at 6 months (%) - - -


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