Teddi Mellencamp Completes Final Radiation Treatment in Stage 4 Cancer Fight

The reality star celebrates a major milestone as she transitions to immunotherapy, with five rounds remaining in her treatment plan.

Teddi Mellencamp, 43, marked the completion of her final radiation treatment on April 3 by ringing a ceremonial bell at her hospital.
She now enters the next phase of her stage 4 cancer treatment, with five rounds of immunotherapy planned to target remaining tumors in her brain and lungs.
Mellencamp was first diagnosed with melanoma in 2022, which progressed to stage 4 cancer in February 2025 after metastasizing to her brain and lungs.
Her estranged husband, Edwin Arroyave, has paused their divorce proceedings to support Mellencamp and their children during this challenging time.
Using her platform, Mellencamp continues to share her journey publicly, emphasizing the importance of early detection and resilience in the face of adversity.