Write a brief 3-5 sentence summary of the first chapter of the book the fault in our stars by John green

In the first chapter of "The Fault in Our Stars" by John Green, the protagonist Hazel Grace Lancaster introduces herself as a 16-year-old with thyroid cancer that has spread to her lungs. She attends a cancer support group, where she mostly stays quiet and observes others' stories until the group leader, Patrick, announces a new member named Augustus Waters. Hazel is immediately intrigued by Augustus, who is attractive and confidently charming despite having lost a leg to osteosarcoma. They engage in a brief conversation after the meeting, leaving Hazel with a lingering curiosity about him.