Source: ESPN Author: Ric Bucher Denver Nuggets coach George Karl informed his team Tuesday afternoon that he is in another fight for his life with cancer. Karl, who had been cancer-free since prostate surgery in July 2005, discovered a worrisome lump on his neck about six weeks ago. A biopsy determined that it was "very treatable and curable" form of neck and throat cancer, Karl said, but it will still require an intense program of radiation and chemotherapy that will probably force him to miss some regular-season games. "Cancer is a vicious opponent," he said. "Even the ones that are treatable, you never get a 100-percent guaranteed contract." Treatment will consist of 35 sessions over the next six weeks, for what the Nuggets Web site called squamous cell head/neck cancer. The sessions are expected to leave his throat extremely raw, requiring him to be fed through his stomach in the final weeks. "Keeping up your nutrition is a big part of the challenge," he said. While the condition is treatable, his doctor, Jacques Saari, said Karl faces a taxing treatment regimen. He said the chemotherapy was intended to make the cancerous cells in Karl's body more susceptible to the effects of radiation. Then, he said, "The idea is to really hit it hard with radiation therapy." But the radiation, to be administered continuously for five days a week for the next six weeks, will take a physical toll on Karl, especially during the latter portion of treatment, Saari said. "Coach [...]