Tubular adenoma of the colon is a benign tumor that occurs in the colon and is not life-threatening, so there is no such thing as how many years you can live. This type of tumor can be surgically removed and cured completely. However, if tubular adenoma of the colon is not treated in time, it may eventually develop into a malignant tumor. Therefore, surgical removal should be carried out in time when the disease is detected. In addition, after the operation, you should also pay attention to the regular review, you can decide whether you need to take follow-up treatment according to the results of the review. However, as long as you can do a good job of postoperative care, pay attention to rest, do not overwork, and eat a light diet as much as possible, the body can usually recover quickly without the need for further treatment.