Hello honey.
No, you are not being melodramatic. If I were diagnosed with a GBM, I'd want a sister like you who understood how serious this is. Your sister's case is pretty intense. Some people DON'T have the tumor grow back like that. They seem to perk right up and get through chemo and all. Then they say it's all because they have such a good attitude or because they prayed harder or something which (sorry to say) burns my toast because I don't think we have that much control. This isn't a test of character. Tumors happen to dogs and kids and trees too. It's just biology. All we can control is how we choose to live each day given the shituation we're handed. Live with grace, forgiveness, compassion, and love. And do it one minute at a time.
Keep breathing ok? She needs you.
Much love,
Sarah
p.s. And yes Andy's dx was that bad. It was huge on the left side, and also everywhere, with the fingers and roots. His 'midline' was pressed way over to the right. They could only remove 30%. Then it grew right back. I think of it as a very VERY bad weed in the garden... and I know how hard those are to get rid of. Then we found out it was a rare double cancer of GBM + PNET. Now it is growing again, in four places. His odds are just plain terrible. : (