Dont know how to describe the pain, it's painful . Didnt pay much attention on stomach pain in the beginning but the bleeding that worries me. Constipation i not so sure b'cos my bowl movement sometime after 2 to 3 days, even now also the same. But sometimes daily. Everyone different . Fibre intake before the cancer = low. Dont drink dont smoke.

If your stomach often pain, better go for check up. Not just stomach pain or bleeding, sometimes if your poopoo like pencil shape also no good. something is blocking. Always check your stool shape. Tail tail sign is there how healthy is your colon/gut . Learn it from youtube tons of good info

1 - full blood test [outside]
2 - kk
3 - putrajaya hospital = scope = surgery
4 - IKN = chemo