NEW YORK (CBSNewYork) — Brooklyn District Attorney Ken Thompson has revealed he is battling cancer.

“Recently, I was diagnosed with cancer. As a man of intense faith, I intend to fight and win the battle against this disease,” Thompson, 50, said in a statement released Tuesday. “I humbly seek your sincere prayers as I confront this challenge and respectfully ask that you honor my family’s need and wish for privacy during this time.”

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Chief Assistant Eric Gonzalez will step in during times when he’s receiving treatment and recovering, Thompson said.

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“I thank you in advance for your prayers and look forward to rejoining you on the battlefield for justice,” said Thompson.

NYPD Commissioner James O’Neill issued a statement late Tuesday offering well-wishes to Thompson.

“We were saddened to learn earlier today of Kings County District Attorney Ken Thompson’s diagnosis with cancer. He is both a colleague and a friend,” O’Neill said in the statement. “We offer him our prayers for a speedy recovery. We will continue working with Chief Assistant Eric Gonzales and the rest of his staff in his absence.”

Thompson is the borough’s first African-American district attorney. He took office in 2014.

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The Kings County District Attorney’s office is one of the nation’s busiest prosecutor offices and handles more than 80,000 cases a year.