It could mean he has a colon ulcer.
Eating black foods. Black licorice and black jelly beans are the 2 main black-colored foods that have been known to dye the colon black...
It means tissue of the colon
The colon compares two numbers in a ratio
I have found blood in my stool does this mean colon cancer
A friable colon is one that is easily upset or irritated. It can become swollen and could lead to colon disease.
Stolen Colon!
It means it was not needed.
It means tissue of the colon
It depends on what you mean.If you mean in the sentence 'By the way...' then, no, no colon would appear there.However, if you mean in a byline, then, yes, a colon would go there.(A byline is, 'By: John Smith' or 'By: Shirley Temple')
I think you mean colon cancer, but there isn't really a scientific name for it colon cancer is short for colorectal cancer.
A colon is used in a ratio (Google it)