, non-melanoma skin cancer is a group of cancers that slowly develop in the upper layers of the skin.
The term non-melanoma distinguishes these more common types of skin cancer from the less common skin cancer known as melanoma, which can be more serious.
In another gaffe, the president also said Glasgow was part of England.
While talking about last year's COP26 climate summit, Biden said: "I was able to bring more world leaders together. We got 100 nations together to agree at the major conference in Glasgow, England – I mean Scotland – to change the emissions policy. We've made real progress.'
Republicans were quick to mock the 79-year-old's flubs and used it to raise questions about Biden's mental fitness.