Professor Weigang Yan is the Deputy Director of Urology, Chief Physician, Professor, and Doctoral Supervisor at Peking Union Medical College Hospital. He specializes in the diagnosis and treatment of various urinary diseases, especially prostate cancer, adrenal disease, and kidney cancer. He is highly skilled in urological robot-assisted surgery, laparoscopic surgery, and various minimally invasive surgeries. His research focuses on urological tumors and minimally invasive urology, with an emphasis on prostate cancer, kidney cancer, and adrenal tumors.