Colovesical fistula: Air in the urine usually indicates a connection between the colon or small intestine and the bladder . This is usually due to diverticulitis, but inflammatory bowel disease, old trauma, and, yes, cancer can be the source. You need evaluated, so ask your doctor for help . Good luck.
Answered 6/3/2013
5.1k views
No: Air bubbles or foamy urine is not a symptom of colon cancer. Foamy urine may be a sign of protein urea . Consult your physician.
Answered 3/28/2018
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