On Black Friday, 2024, 35-year-old Rachel Gustafson woke up with an aching right armpit. “I thought it was because of how I was sleeping,” Rachel said. “But the pain didn’t go away, so I started feeling around and noticed a lump that felt like a Tic Tac in my underarm.” Rachel, who works in the medical field, immediately went to her doctor, who ordered a diagnostic mammogram and ultrasound. “They saw the lump I felt in a lymph node,” said Rachel. “I had a biopsy, then I waited for the results. The harde...