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Two sources tell NBC News that incarcerated film producer Harvey Weinstein is undergoing treatment for bone marrow cancer.

The sources said Weinstein is undergoing treatment for Chronic myeloid leukemia at Rikers Island. Chronic myeloid leukemia is a rare form of cancer of the bone marrow, according to the Mayo Clinic.

Weinstein, 72, is currently in the infirmary at New York’s Rikers Island. His 2020 sex crimes conviction was overturned earlier this year. Weinstein was serving a 23-year sentence.

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In a statement to NBC News on Monday night, Weinstein’s representative Craig Rothfeld said in part, “Out of respect for Mr. Weinstein’s privacy, we will offer no further comment.

Weinstein has suffered from various health problems since his arrest in 2018. Last month, he underwent emergency heart surgery.

In July, he was hospitalized and tested positive for Covid-19 and double pneumonia.

Weinstein’s New York conviction was overturned this year by the New York’s Court of Appeals which found that the trial judge made improper rulings.

The judge’s improper rulings included letting women testify about allegations that weren’t part of the case.

But Weinstein wasn’t free to go. He was also convicted of rape in Los Angeles in 2022 and sentenced to 16 years in prison. His legal team is appealing that conviction.