The study involves more than 140,000 patients from 116 countries.
"These individuals survived many years, possibly due to the privileges of wealth and status."
The team studied more than 13,000 patients.
"In terms of things I've removed - everything, but now and then something will surprise me."
"I was racing against the clock to help her."
The increased risk lasts for 13 months after surgery - much longer than previously believed, warned scientists.
"I had low self-esteem about my stoma bag at first but now I'm comfortable showing it off. "I want to normalize it."
Despite cannabis being a common method of chronic pain relief, researchers said increase in pain users experience after surgery was the likely the cause of increased...
"The doctor said I'd won best case of the night."
Patients were found to have more activity in parts of the brain that cause pain when this happened.