I just want to vent for a second because I'm just so stressed out!!! So my older sister is 28 and has 3 kids, the twins…

I just want to vent for a second because I'm just so stressed out!!!

So my older sister is 28 and has 3 kids, the twins are 5(one with a mental disability) and the oldest is 7. She was diagnosed May 31st 2017 with a rare highly agressive form of Ovarian cancer. She had two big surgeries, one to remove the hundreds of tumors in her abdomen and the other was a hysterectomy. She went through brutal chemo but she took it like a champ. She was only cancer free for 4 months. We were told it returned in January, but only 3 tiny tumors. When we were told it returned we were shocked because she was feeling and doing great, until they put her on an immunotherapy drug called Keytruda which fucked her all up! She had 2 rounds of Keytruda then decided to stop because it was messing with her heart and it made all these problems start after she had been feeling normal again. Last week I took her to the ER and after having a catscan we found out there are a lot of tumors and it has metastasized, they're also pushing up against her kidneys which aren't in the best shape as it is. The next day she went to see a new oncologist who gave her an estimated 3 months to live. She is a big reason why I am pregnant now, she wanted me to have a baby so bad and my pregnancy has brought her so much joy but it saddens me to think she will never even get to meet my new baby. I'm praying to God she doesn't pass, but if she does I don't know how I will handle it. This has been the roughest time in my life and I just don't know what to do. She can't leave, her children need her! I can't imagine our lives without her!! She has always been the strong rock of the family and she has ALWAYS been there for me and our siblings and our widowed mother. I just dont know what to do anymore, it seems time is just slipping away from us.