article_snippet: Mark shares Mark story on Channel 4 show NHS:
article_snippet: Mark shares Mark story on Channel 4 show NHS:
article_snippet: Mark admitted Mark knows people watching will think Mark doesn't deserve to have the operation on NHS.
article_snippet: Mark said: 'I know a lot of people won't have any sympathy for the sort of patients I treat but a lot of people have real problems.
article_snippet: The show also interviews other people desperate to be treated on NHS to show viewers how difficult it can be to decide whose need is greater.