Lymphoma

I'm 24 weeks pregnant and just found out today I more than likely have lymphoma.. I have a doctor appointment with an oncologist in the morning, but I'm honestly terrified for myself and my baby. I'm 20 years old and just starting to live. I don't want to leave my child and fiance. I'm so scared my baby girl is going to grow up without a mother. My fiance's dad died when he was 11 and I'm terrified to put him through that kind of pain again. He's an amazing man and doesn't deserve to go through this. I don't know what to do.😭😭😭💔