He thought he was feeling a bit unwell - so imagine the shock when Nicky Boardman from Kent discovered a two-foot-long, 11-pound tumour had been growing inside him for years.
He was given just a six percent chance of living for five years but despite the odds, has been writing an upbeat online diary about his experiences. David Johns reports, speaking to Nicky Boardman, his wife Kerry, and Deborah Alsina from Bowel Cancer UK.
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Sunny this evening, then dry overnight. There is the risk of thundery showers for Kent tomorrow morning, then sunny spells by the afternoon
Sunshine to end the day then dry tonight. Tomorrow will be mostly dry and feeling fresher with the risk of a heavy shower in the afternoon
The video, obtained by ITV News, shows scores of migrants desperately trying to board lorries in a restricted area within the tunnel.