2 August 2021
INCIDENCE AND EPIDEMIOLOGY
Anal cancer is a rare disease that accounts for <1% and <3% of all new cancer diagnoses and gastrointestinal tumours,
respectively. The most common histological subtype is squamous-cell carcinoma of the anus (SCCA) with an
annual incidence of 0.5-2.0 in 100 000.1
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