if you have some abdominal pain, maldigestion, weight loss, we don't have a real marker for this that'sy call it a silent killer and it's a lethal disease. by the time they get to you is too late and we remove the head of the pancreas. if the cancer is still organ-confined and you removed the pancreas look with the part of the small intestine. >> you remove the entire cancer as much as you can, followed by radiation and keep on therapy. this particular study that just came on which is immunotherapy is basically adding maybe two more months. so we're not about some revolutionary point over here. should you get ultrasound if you have stomach pain? >> i know you've been asking about this, it's because it's deep in the body. we don't have a macker for it, that's why we call about the psa, we have a marker for that, we have malm on grams that we can do for breast cancer and for lungs we can do a cat scan of the chest for smokers. we don't have a good screening test for pancreas yet. if we're suspicious we do a ct scan. ultrasound won't tell us in time. i want to talk about the cr207 because