"higher than typical amount of cancer" If any are now willing to listen. High dose melioration
https://youtu.be/I7YIRqTNmuY Look into very high dose melatonin. I read someplace I forget where that it can raise P53 gene count. The natural immunity against cancer. It also repairs telomeres.
"given high-dose melatonin (36–72 mg/day per os) in four divided doses as adjuvant therapy all recovered with reduced hospital stay without the need for mechanical ventilation intervention"
http://www.melatonin-research.net/index.php/MR/article/view/88/599