Jackie Arnold has had a guardian angel looking out for her since she was diagnosed with Stage 3 Non-Hodgkin lymphoma in January."He would probably be right here by my side wanting to know if I needed help with anything. He would be my caretaker," she said.Her son, Clayton Arnold, died in 2021 due to brain tumor complications. Jackie's nonprofit in his honor, the Clayton Arnold Foundation, has been extremely active in the community since then, su…