Xiaomao Guo, director of Fudan University Shanghai Cancer Center (FUSCC), director of Shanghai Proton and Heavy Ion Hospital (SPHIC, also Proton and Heavy Ion Center of FUSCC), professor, chief physician, doctoral tutor, and Shanghai Outstanding Discipline Leader. He is mainly engaged in the radiation therapy of breast and abdominal tumors, especially in radiotherapy and multidisciplinary treatment of breast cancer, prostate cancer, malignant lymphoma, and other tumors.