Will Reise and Seth Rogen
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50/50 tackles cancer with comedy

25 November 2011 Last updated at 06:26 GMT

New film 50/50 gives a fictionalised version of what really happened to screenwriter Will Reiser, who was diagnosed with a tumour on his spine when he was 25.

Reiser and the star of the film Set Rogen talk about how they tackled the challenge of making a film about cancer funny.