皮肤外科医生Joaquim Mesquita Filho博士认为，巴西的黑色素瘤发病率被低估了，因为该国不要求强制报告。

Dermatologic surgeon Dr Joaquim Mesquita Filho believes that the incidence of melanoma in Brazil is underestimated because it does not require compulsory notification.

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整形外科医生可以除去最表层的皮肤。

A plastic surgeon can remove the top layer of skin.

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外科医生使用来源于尸体皮肤的材料构建一个支架。

The surgeons use material made from cadaver skin to create a tough scaffold.

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