cancer

my partner went into hospital back in january for appendacitus after removing is appendix it turned out he had stage 4 carcinoid cancer so they booked him for a second op on his small bowl it turnd out they also found more cancer cells his dr told him it will come back but he dont no when i am so scarred of whats going to happen as his docter hasnt seen this sort of cancer react the way it as. has any one else delt with this sort of  cancer he never as had any symptoms