Had? I've still got it. It's squamous cell carcinoma.
Mine expressed itself at the site of a rotten tooth, and spread from there. Apparently, I had it for a long time before it was discovered.
I want you to look into these study references:
Grape seed extract kills head and neck cancer cells, leaves healthy cells unharmed
https://medicalxpress.com/news/2012-01-grape-seed-neck-cancer-cells.html
As colorectal cancer gets more aggressive, treatment with grape seed extract is even more effective
https://m.medicalxpress.com/news/2013-01-colorectal-cancer-aggressive-treatment-grape.html
Compound in magnolia may combat head and neck cancers
https://m.medicalxpress.com/news/2015-06-compound-magnolia-combat-neck-cancers.html
Grape Seed Extract Halts Cell Cycle, Checking Growth Of Colorectal Tumors In Mice
https://www.sciencedaily.com/releases/2006/10/061018093946.htm