The classifications apply to carcinomas of the skin, [excluding vulva (see Gynaecological Tumours), and penis (see Urological Tumours), and perianal skin (see Gastrointestinal Tumours)], to malignant melanomas of the skin including eyelid and to Merkel cell carcinoma.
Anatomical Sites
The following sites are identified by ICD‐O‐3 topography rubrics:
Lip (excluding vermilion surface) (C44.0)
Eyelid (C44.1)
External ear (C44.2)
Other and unspecified parts of face (C44.3)
Scalp and neck (C44.4)
Trunk excluding anal margin and perianal skin (C44.5)