Ms. Zhong Xiying was diagnosed with multiple metastases of stage 4 lung cancer in the brain, liver and bone, and once wanted to give up treatment. Dr. Li Yu Chung, Jacky insisted on genetic testing to find rare HER2 mutations, and quickly formulated a personalized targeted treatment plan to successfully control the condition. Real cases share how genetic testing has changed destiny, and now Ms. Zhong can travel with her family and enjoy happiness. The United Cancer Centre of Hong Kong provides comprehensive genetic testing and personalized treatment services.