1) The narrator, a 12-year-old girl, felt a lump in her left breast after hitting it on a desk at school. She told her grandmother, who dismissed it as normal breast development. 2) When the pain and lump returned, her breast was red and hot. She told her mother and they went to the hospital, where the doctor said it was inflammation. 3) The pain continued, so her parents took her to a specialist. He examined her and said it could be cancer, though they would need scans and surgery to know for sure. 4) During surgery, the doctor removed a cyst from her breast. She recovered from the surgery with no cancer diagnosis.