NDP MP Paul Dewar asks a question during Question Period in the House of Commons in Ottawa on September 29, 2014. A former NDP member of parliament says he underwent surgery after being diagnosed with brain cancer. Paul Dewar, 55, who represented Ottawa Centre from 2006 until 2015, says in a Facebook post that he was diagnosed with a brain tumour earlier this month after experiencing discomfort in his arm. THE CANADIAN PRESS/Adrian Wyld
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