“Even though I had no symptoms, I decided to go meet an oncologist who did a biopsy, followed by a PET scan which confirmed that the lump was cancerous and was localized to the breasts.”
She ran, ate well and did everything right, and still got stage 2 breast cancer. A routine full-body checkup caught the lump before any symptom showed up. Fitness does not buy immunity. Regular screening is the boring step that actually saved her, and most people skip it.