question: hi Doctor  my mum is 50 years old and she started to have some sort of flip on her outside of the belly 8-10years ago but after her sever pain on her tummy she been admitted to the hospital and found she has a lump in her womb and finally the doctors said that she has to go through the surgery inorder to remove that lump. where her blood test is normal.   i m just wonder if she has cancerious tumour in her womb will it definitely shows on her blood test ? or to find out does she has to do CA 125 test?