I have heard CBD can be effective in slowing down melanomas but have not seen  research to back it up.  Maybe somone in our group can comment if they have experience with CBD and melanomas. I myself am prone to skin cancer and take CBD and have not has an occurrences since I began taking it.

I have also read that Panacure C can be effective against many cancers.  It was researched in the 1950's.  I was looking in NIH for confirmation and the first document I encountered is at the following link.  Mebendazole in Treating Patients with Recurrent, Refractory, or Progressive Pediatric Brain Tumors - NCI (cancer.gov)  
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Janet and Chicy
Chester SC
09/17/2021
https://ecir.groups.io/g/CaseHistory/files/Janet%20and%20Chicy
https://ecir.groups.io/g/CaseHistory/album?id=268334