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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Increasingly cloudy with drizzly rain tonight. A cloudy start on Monday but brightening up with plenty of sunny spells in the afternoon.
The grass pollen risk will rise to high during warm, dry weather.
Cloudy with patchy rain and drizzle this evening. Mild tonight, then dry with plenty of sunny spells tomorrow.