Hugh Jackman Reveals Skin Cancer Diagnosis

The actor shared a picture of himself following treatment on Instagram.
3:00 | 11/22/13

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Transcript for Hugh Jackman Reveals Skin Cancer Diagnosis
We're used to seeing him take on bad guys on the big screen. Now, superstar, hugh jackman, says his newest battle is with skin cancer. The actor made his announcement to the world, by posting an instagram picture of his face following treatment. Abc's linsey davis has more on the star's medical scare. Reporter: From the red carpet and silver screen. To the white sand beaches of his native australia. It gets chilly here at night. Reporter: Hugh jackman is one of the most photographed men in the world. But this morning, he's sharing a very different kind of close-up. The 45-year-old actor posting this picture on instagram, alreveing he had a basal cell carcinoma removed from his nose. You can see it in this picture, taken just over a week ago. That's a brave thing you did. Reporter: Basal cell carcinoma is the most common kind of cancer, with 2.8 million cases diagnosed each year in the u.S. Caused mainly by u.V. Exposure, cour carcinomas look like a reddish bump or scar. Doctors say it's easily treated and death is rare. Jackman credits his wife for suggesting he get checked out. And now, he's urging others. Don't be foolish, like me. Get yourself checked. And use sunscreen. This morning, his reps tell abc news, he's home and resting and sure to be on the mend soon. Trust me, I've been through worse. Reporter: For "good morning america," linsey davis, abc news, new york. Glad he is doing all right. And here with more on this common cancer, dermatologist doris day. Always great to have you. Tell us more about the numbers and the more about this type of cancer. If one thing you never want to hear from your doctor is the word cancer. As dermatologists, we have to tell this to our patients more than any other doctor. That's because skin cancer is the most common cancer. With about 3.5 million skin cancers diagnosed every year. But the most common type of skin cancer is basal cell carcinoma, which is fortunately what hugh jackman had. And the reason that's fortunate, there's 2.8 million basal cell carcinomas estimated to be found every year. It's slow-growing. It tends to stay local. And it's highly curable. If you're going to pick a cancer, that's the one to pick because there's so much we can do. In the end, it's really great news. I had one on my face about the size of a quarter. They took it. And it's fine. On the face, is one of the best places for scarring. We've seen basal cell carcinomas, melanomas, more in sun-exposed areas. Everyone needs to be checked. And also, you have to be checked, even where the sun doesn't shine. It's a head-to-toe skin check. We look more in areas. I like to look along the forehead line. That's where you miss your sunscreen. Around the eyes, the nose and the mouth. Everywhere has to be checked. Those are the more common areas. How often should we do this? And is this something only a dermatologist can do? You should be checked by your dermatologist every year. It's what we do all year long. It's important to be checked on a regular basis, once a year. But if you notice something new or changing. If you see a spot that normally should heal between two or three weeks, show it to your dermatologist. We can look deeper in the skin. And we have a level of suspicion. And family history is important, too. Sunscreen all year around. Not just in the summer. Every day, all year around. So important. Incidental exposure adds up. And it's cumulative. Even on the cloudy days, even if you're just going for a walk, just apply the sunscreen. Reapply it regularly. And no going to tanning beds. That's the same u.V. Light you get from the sun. Now, we turn to the secret of looking picture-perfect in

This transcript has been automatically generated and may not be 100% accurate.

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