In House M.D., Wilson’s first wife, Sam Carr, is treated as a cancer patient.
Sam Carr is introduced as James Wilson’s first wife and later appears again in the series after the couple reconnects. Her storyline is connected to cancer treatment and to Wilson’s personal history, rather than to the diagnostic cases that usually drive the weekly episodes.
Wilson is an oncologist, so cancer is especially relevant to his professional identity and to the emotional stakes of his relationships. The show frequently places his medical expertise beside his personal involvement, creating situations in which professional judgment and friendship become difficult to separate.
This detail can be confused with other serious illnesses in the series, including Huntington’s disease, which is central to Thirteen’s family history. Sam Carr’s relevant diagnosis is cancer, while Wilson’s later marriage to Amber Volakis is a separate storyline.