The difference betewwn mutations and CNAs in cBioPortal Select Genomic Profiles

Question

[Ervin_J]

there are two botton about mutations and CNAs in cBioPortal Select Genomic Profiles.why outcome differs ,when I selected one or both.PLZ

[Kevin Blighe]

Please explain, in a more clear way, what you are doing. Please provide screenshots. Please, also, provide uniform resource locators (URLs) / 'links' of the resource that you are using, and which dataset you are using.