text: Dr. Bien said: "The cause of colon - bladder fistula is usually due to colonic malignancy encroaching on the bladder or diverticulitis complications late colon fistula.?
classes:  No, doctors refuse to talk about the disease because it is quite delicate.  Also, doctors refuse to talk about the disease because it is quite delicate.  Yes, doctors refuse to talk about the disease because it is quite delicate.