Three years ago, Stacey Johnson and her son, Aaron Espinoza, were at a community event focused on helping fight cancer - a topic that hit close to home. In March of 2025, Stacey lost her 16-year-old son, Aaron, to a rare soft tissue cancer. Stacey heard the words no parent wants to hear when her son was diagnosed with rhabdomyosarcoma — a rare type of soft tissue cancer. Mother turns grief into purpose after losing 16-year-old son to rare cancer"In actually started in May of 2022. According to the National Cancer Institute, the cancer develops from muscle cells.