84-year-old man died in hospital from severe burns to his upper body - nearly a month after he accidentally himself on fire with a cigarette while driving along a suburban new york road .
christopher flowers was traveling down chili avenue , near route 390 , in rochester on march .
but the windy conditions at the time seemingly fanned the flames so much that they engulfed his entire torso .
but on sunday , hospital officials told the democrat and chronicle that the retired marine had passed away .
but on sunday , hospital officals announced he has died .