Updated: 10/12/2014 4:19 PM Created: 10/11/2014 11:51 PM WNYT.com By: Steve Flamisch

LOUDONVILLE Four years ago, Doris Calderon was diagnosed with a form of blood cancer called Myelodysplastic Syndrome (MDS). Doctors told her she needed a bone marrow transplant.

"They were looking for a donor because I had no siblings that could match, and my children are not a good match," said Calderon, of Halfmoon. "We didn't have anybody, so we just figured we'd wait."

More than 800 miles away, in Illinois, a total stranger made a fateful decision later that year. Chad LaMont wanted to donate blood to at his employers "Good Deed Day," but his iron was too low.

LaMont went over to the "Be The Match" table and signed up to be a marrow donor, instead. He turned out to be the match for Calderon, later donating the stem cells and T-cells that saved her life.

"Ive encouraged so many people to get on the list because you never know who you can save, and whose life you can change at the end of the day," LaMont said.

On Friday, Calderon and LaMont met for the first time at Albany International Airport. On Saturday, they took part in the Light the Night Walk at Siena College, raising money to fight blood cancer.

"To have the man responsible for saving my mother's life with us on such a momentous occasion is just such a blessing," said Calderons daughter, Lisa Calderon-Haun. "He couldn't be more wonderful."

Calderon has been in remission for more than two years and her prognosis is good. To learn more about how to become a bone marrow donor, visit "Be The Match."

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Saratoga Co. woman meets marrow donor who saved her life