Not Cancer - [s5e2]

In the House, M.D. Season 5 episode "Not Cancer," the team investigates why multiple organ recipients from a single donor are dying, eventually diagnosing the cause as dormant cancer stem cells. While diagnosing the corneal transplant recipient (played by Felicia Day) and navigating a new PI, House struggles with the loss of Wilson. For more details, visit the House Wiki . "House" Not Cancer (TV Episode 2008) - IMDb