Starting chemotherapy

Hi everyone, I'm 37 and had to have 2 operations in less than 2 weeks apart as I had a endoscopy and found I had a mass on my bowels, they took biopsies which come back it was cancer, I ended up in hospital due to the pain, and then they decided to operate, the took out the tumour and everything seemed fine till I was in and out of hospital with the pain that I couldn't control with my painkillers, I was later to find out that when they took me for a ct scan on the 4th time of me being admitted due to the pain they found that my bowel decided to attach to the part where there took tumour away and twisted which was making me sick, they operated and fixed the problem, now 20 day on and I'm feeling much better, still have a long way to go before I start to feel myself again as Ive lost so much weight, I start my chemotherapy in 7 days and I've opted for the tablets twice a day and I'm soooooo scared about what's going to happen.