Tristin Mercer's daughter Kinley was diagnosed with Stage 4 Kidney Cancer in the summer of 2022 when she was 4 months old. Kinley's cancer spread very quickly and she passed away on November 12th of 2022, just 7 1/2 months after her birth.

A massive Malignant Rhabdoid Tumor was found on 4 month old Kinley Mercer's left kidney in the summer of 2022 and she was diagnosed with Stage 4 Kidney Cancer.  Upon undergoing chemotherapy treatment, Kinley went through scans that showed that her cancer had spread very quickly, so much so that her doctors declared that her cancer was no longer curable. Kinley passed away from this very difficult form of pediatric cancer on November 12th of 2022, only 7 1/2 months after her birth.