If you’ve had tummy trouble such as bloating, diarrhoea or discomfort for three weeks or more, it could be a sign of cancer. 

It’s probably nothing serious, but finding cancer early makes it more treatable.
 
Your NHS is here to see you, safely. https://t.co/hivbfrsuIl

from http://twitter.com/NHSuk/status/1329091999039975424