I was diagnosed with rare oral cancer ONE WEEK after my health exam came back normal – now I’m warning everyone about what doctors missed

Mark (pictured), a 36-year-old from Denver, Colorado, is warning people to advocate for their health after his health concerns were dismissed for years only to be diagnosed with a rare cancer in February.Mark (pictured), a 36-year-old from Denver, Colorado, is warning people to advocate for their health after his health concerns were dismissed for years only to be diagnosed with a rare cancer in February.Read MoreHealth News | Mail Online