(CNN) — Joe Biden recently underwent Mohs surgery, a procedure used to remove skin cancer lesions, a spokesperson for Biden said Thursday, just a few months after the former president, 82, was diagnosed with prostate cancer.

The spokesperson did not detail when the surgery took place, but the news came as video circulating online showed the former president with a scar on his forehead.

Mohs surgery is a procedure in which thin layers of skin are removed and examined under a microscope until the doctor sees no signs of skin cancer cells. It’s typically used to treat cancerous lesions that have returned after previous treatment, are fast-growing, or are in important areas like the face, hands or genitals.

In 2023 while president , Biden had a lesion removed from his chest, which later

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