My dog has sever abdomonal pain. He cannot use his back legs now and is not eating. You cannot even touch his stomach without him yelping. He has had very very small bowel movements the last two days hardly any at all and now none at all. When I go to pick him up he pees on the floor. We took to vet had an x-ray no bowel obstruction. Spine is fine. One vet says look like tumor in stomach the other vet said no its just his intestines. What do I do. He is on pain meds for now.