The American Cancer Society recommends the following:

After the small intestine cancer is found and staged, the cancer care team will suggest one or more treatment plans. Choosing a treatment plan is an important decision. It is also important for you to take time and think about all of your choices.

The main factors in selecting treatment options for small intestine adenocarcinoma are the size and location of the tumor, whether it has spread to lymph nodes, liver, bones, or other organs, whether there are any other serious medical conditions, and whether the tumor is causing bothersome symptoms. It is often a good idea to get a second opinion. A second opinion may give you more information and help you feel more confident about the treatment plan that is chosen.