For subscribers
Doc Talk
Skin cancer doesn't just affect fair-skinned people
A look at different types of skin cancers, risk factors, how to do self-examination
Sign up now: Get ST's newsletters delivered to your inbox

Ms Ang, who is in her early 30s, had a persistent, flesh-coloured lump on her right forearm.
She thought that the lump was a keloid scar as it had appeared at the site where a needle was inserted during a recent blood donation.


