James Wilson is House’s motorcycle-riding friend who is terminally ill in the House M.D. series finale.
Wilson is an oncologist and House’s closest friend. In the final season, he learns that he has thymoma, a cancer associated with the thymus, and that his condition is terminal. He chooses to spend his remaining time with people and activities that matter to him.
House responds by trying to preserve their friendship, even when doing so requires extreme deception. He stages his own death to escape prison, allowing him to accompany Wilson on a motorcycle trip during Wilson’s final months.
The finale’s closing scenes center on the two men riding away together. This resolution gives Wilson a final period of freedom while forcing House to abandon his public identity and career. Wilson’s illness is therefore central to the ending rather than a separate patient-of-the-week plot.