Stuart Scott succumbed to cancer on Sunday morning when he passed away, but the outpouring of support in the wake of his death has been overwhelming. Still, although Scott had been battling the disease off and on for nearly a decade, not that much is known about what he was fighting against.

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While Scott never shied away from admitting that he was battling cancer, he never got too deep into the subject. Various rumors have floated around, with some even saying that it was not known what type of cancer he had. However, he revealed in a Men's Health article that he had appendiceal cancer, which is a very rare form of the disease.

Scott beat cancer after being diagnosed in 2007 and again when it returned in 2011. When it returned for the final time in 2013, it proved to be too much for him.

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According to SportsGrid, appendiceal cancer affects just 600-1,000 people each year, which is just a fraction of the millions that are diagnosed with cancer. There are several types of cancer of the appendix, and the PMP Research Foundation indicates that Scott likely had appendiceal adenocarcinoma.

The standard treatments for that type of cancer are consistent with the chemotherapy program that Scott was on. One particularly dangerous aspect of that cancer is that is can lead to seudomyxoma peritonei, which is fatal unless treated. There is no word on whether Scott developed that condition or whether he simply was unable to defeat cancer for a third time.

Scott battled cancer and beat it twice, which is far more than most people can say. He continued working and inspired countless cancer sufferers and their family members around the country with his fight, and that is in addition to the people that he inspired each and every day just by being the tremendous human that he was.