I fucking hate cancer.
I'm sorry to hear about your friend. I do not at all mean to belittle her struggle or yours.
Cancer sucks. My partner has had six different kinds (neuroblastoma; melanoma; thyoid; ovarian; kidney; uterine). We sort of joke about it in several ways -- like, whether she's going to have the "Colonel's Cancer Recipe" or "a Baker's Dozen of Bad News."
About the funniest thing we heard was one doctor's prognosis: "you seem to have a very rare genetic mutation that results in the unfortunate 'ability' to manifest cancer anywhere in your body at any time." Worst X-Man ever.