Robot-Assisted Complex Hilar Tumor Resection: A Case of Ectopic Adrenocortical AdenomaYunqiang Shi1,#, Kai Deng1,#, Xiaofang Bi1, Jie Xiong1, Meng Yang1, Lin Zhang1, Chunhui Wang1,*1Department of Urology, Yan ’an Hospital Afiliated to Kunming Medical University, Kunming 650000, China#Equal contribution*Corresponding authors:Wang ChunhuiDepartment of Urology, Yan ’an Hospital Afiliated to Kunming Medical University, Kunming 650000, China. Email: 13211604155@163.com