A Canadian man with a rare cancerous tumor on his heart is now in recovery and back home after undergoing life-saving surgery to rebuild about a quarter of his heart. A father of two little boys, Ross Mangan, 31, from Kingston, Ontario, was diagnosed with a rare form of cancer last year, reported Global News. To add to the challenge, there are very few doctors with expertise in working on this rare condition. “It is kind of frightening to hear that you have got this super rare, you know weird cancer that nobody has seen,” Mangan told the outlet. Amid the pandemic in November last year, Mangan was working from home when he suddenly fainted. He tried to ignore it, but his wife insisted that he should visit a doctor. The doctors noticed fluid around his heart, which led the team to find a rare cancerous tumor. His treatment started almost two …