Maryland Gov. Larry Hogan, who was treated for non-Hodgkin’s lymphoma in 2015 and 2016, will undergo surgery Saturday to remove skin cancer that his dermatologist called “extremely common” and curable.

Cancerous growths will be removed from his forehead and upper torso. Hogan has what is known as basal cell and squamous cell carcinoma — not the more serious skin cancer melanoma.

“It’s basically sun damage,” said Hogan, adding that he worked for six years as a lifeguard at a hotel pool in Daytona Beach, Fla.

“I wanted to look good with a dark tan, so I never put sunscreen on,” he said. “I spent a lot of time baking in the sun.”

As a result of his diagnosis, he said, he plans to offer his support to legislation that would allow Maryland schoolchildren to carry and apply sunscreen. In some jurisdictions, they need a doctor’s note to do so.

“My advice to everyone out there listening is to please listen when they tell you to put on sunscreen,” he said. “I was not smart enough to follow that advice.”

Hogan’s dermatologist, Dr. Beth Diamond of Annapolis Dermatology Center, said she found the cancer during Hogan’s recent annual skin examination. He had appeared at press conferences last week with a small bandage on his forehead, and said Thursday that it was the result of a biopsy that revealed the cancer.

Diamond said the cancer “has an extremely high cure rate and a very low likelihood of recurrence.” She called it “extremely common,” and Hogan said it affects about 5 million Americans a year.

The surgery to remove the cancer uses local anesthesia and involves slicing off the cancerous growths, Hogan said. Known as Mohs surgery, it also requires doctors to test samples as they go to be sure all of the cancer is removed.

“I do not expect the Governor to have any long-term consequences from these skin cancers,” Diamond said in a letter provided to reporters.

Hogan was diagnosed with non-Hodgkin’s lymphoma, a cancer of the white blood cells, in 2015, and underwent treatment at University of Maryland Medical Center for months.

He announced that he was cancer-free in October 2016, and undergoes full-body PET scans periodically to ensure that cancer has not returned.

“It’s totally unrelated to the other cancer,” he said of the skin cancer. “I am completely done with that previous cancer, which was a serious one.”

Hogan said he will return to his normal schedule on Monday, though he joked that he may look as if he’d gotten into a fistfight with Senate President Thomas V. Mike Miller and House Speaker Michael E. Busch.

“Luckily, scars are cool,” Hogan said. “I hate to mess with this beautiful face, but I’m going to have some stitches. It won’t be the result of Miller or Busch getting the best of me, I can tell you that.”

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