Doctor on a singer is in studio with us. He is the director of clinical radiation research at Roswell Park Cancer Institute we're talking about head and neck cancers and then type of cancer that Jim Kelly is fighting and talking about treatment options as well. -- doctor Singh. We've been hearing that Jim Kelly is getting chemotherapy and radiation concurrently. Is this likely all to be done is an impatient with the when you talk about head and neck cancer. No oftentimes -- actually usually the treatments for chemotherapy and radiation are done as an outpatient. And so usually will be six to seven weeks of radiation treatment five days a week Monday through Friday. And the chemotherapy can be given once weekly or once every three weeks. Why they do some people get cancer doctor. And others. The disease just seems to bounce off of them it bounces off of them even have their lifestyles. Are not necessarily healthy -- is. Well. The biggest reason for retaining. Any cancers is genetics. So if you're own DNA. Genetic code that you got from there can parents can mix together. In such away that it is able to regulate itself and police itself -- can keep cancers from occurring. In some patients there is abnormality. And to genetic code and that predisposes them to having cancers. That's the first things so some people can smoke and drink and engagement iris sexual behaviors. And they will never again a head and neck cancer because their genetic code is able to fight that off. However for the rest of us. And we never know who. Is among the lucky people. So for the rest of us we should really try to avoid. Exposures to smoking. And exposure to. Chewing tobacco. Exposure. With tobacco and alcohol. And we should limit our exposure to the human -- virus which is the most commonly. Which is the most common sexually transmitted disease in America. And all of these things are risk factors for head and neck cancer so you can't do anything about your genetics at least not yet. So. These things to do hard to modify your behaviors to limit your risk. And neck cancer. What are some symptoms of this type of cancer had a neck cancers so we talked about all the functions that occurred within the head neck. And as a result. The symptoms of -- head neck cancer are based on the location of the tumor the size of the tumor. And what function is associated with that particular part of that -- So a small tumor -- tiny tiny tumor on the voice box is detectable because when you speak your voice will sound different. A similar size tumor. In. The nasal cavity will now be detectable because that function won't be impacted at that size. So you'll feel so in that case you may have to wait for the tumor to believe. Or for the tumors hurt. In order for you to be aware that there's something wrong. So if you've got a solar in the mouth that believes or doesn't heal. And that something needs to get checked out if you get red or white patches inside the Maffetone clear up if you have a lump or swelling in the neck. So that could be from -- lymph node. I if you have a sore throat record since that doesn't go away pain anywhere in the ears neck the -- trouser. Nose -- repeated sinus infections. Blood in the mucus when you confident out -- Trouble chewing and swallowing if you're losing teeth or dentures that don't sit well Rory has. Prosthesis. And it's giving -- -- a crime or an implant that's giving use a chronic irritation. These are all things that should be -- that you have numbness. And you mentioned earlier that not every one will do well. As are being treated and this is where the genetic code comes in. This is so we don't know all the factors. Lead to one person doing well with a given type of tumor. You know or nine people doing while -- given type of tumor. And one person gets the you know another person the tenth person gets the exact same treatment and does not too well. We don't yet know what are the factors that lead to that we learned. Doing clinical studies to try to explore what those ourselves not necessarily genetic. It's not necessarily genetic it could be environmental. It could be a variety of things we just don't know but it's quite likely. That genetics play the predominant role in both here risk for developing the cancer and in your response to several different kinds of treatment. Doctor -- we've learned so much from you this morning thank you for coming and thank you for having me and that we really appreciate it we really don't remember that April is. Had neck cancer awareness month and you can go to www. Roswell park category. To get more information. Doctor and -- saying he's director of clinical radiation research at Roswell Park Cancer Institute.