1. At later stages, the mole may itch, ulcerate or bleed.

2. Synonyms for Cankerous include ulcerous, cankered, festering, furunculous, suppurative, ulcerative, aphthous, helcoid, ulcerate and ulcerated

3. Squamous cell Carcinoma usually starts out as a small, red, painless lump or patch of skin that slowly grows and may ulcerate.