Taylor Hill/WireImage via Getty Images, FILE - PHOTO: In this July 22, 2024, file photo, Tyler Mane attends the world premiere of "Deadpool & Wolverine" at Lincoln Center in New York.

"X-Men" actor Tyler Mane has revealed that he has been diagnosed with breast cancer.

Mane, best known for playing Sabretooth in "X-Men" as well as in "Deadpool & Wolverine," shared his diagnosis Tuesday in a video on social media.

"I have some bad news. I start chemotherapy today," Mane said, adding in the video's caption that he was diagnosed with breast cancer, calling it "super rare."

Mane did not share further details about his diagnosis or treatment.

ABC News has reached out to the actor for comment.

In his post, Mane said he hopes to raise awareness about breast cancer in men, saying that he "wants to change" the reality that the condition is "rarely talked about."

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In the United States, around one out of every 100 breast cancer diagnoses is found in a man, according to the Centers for Disease Control and Prevention.

Like a woman, a man's risk of breast cancer is increased if they have either the BRCA1 or BRCA2 genes.

Other risk factors for breast cancer in men include being over the age of 50, a family history of breast cancer, obesity, exposure to hormone and radiation therapy treatments, liver disease and certain conditions that affect the testicles, according to the CDC.

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