Overview
- On a Jan. 14 episode of the Joe Rogan Experience, the 74-year-old musician said his daughter has cancer in the brain and is suffering right now.
- Teddi said in October 2025 that scans showed no detectable cancer, clarifying she was not in remission and would continue immunotherapy.
- In a TODAY appearance, Mellencamp said he wants her to relocate to Indiana and described good days followed by several days of feeling very ill after immunotherapy.
- Her melanoma, first diagnosed in 2022, advanced to stage 4 with spread to her brain and lungs; she underwent emergency brain surgery in February 2025, then radiation and immunotherapy.
- Teddi has previously said doctors gave her about a 50/50 survival outlook and that she has undergone numerous procedures, including the removal of multiple melanomas.