An Angel A Day Keeps The Cancer Away

When it looked like the Demons were going to kill high-schooler Dean Winchester, a blue-eyed angel swops in and carries him to the hospital. Only to find out that he is going to die of cancer, willing to go against his family he vows to save this mans life and maybe a little more. Hey, this story is also on AO3! under angels with horns. Also Sam is the older brother.