Case report: Metastatic urothelial cancer with an exceptional response to immunotherapy and comprehensive understanding of the tumor and the tumor microenvironment oleh Cora N. Sternberg, Nara Shin, Konstantin Chernyshov, Fabio Calabro, Linda Cerbone, Giuseppe Procopio, Natalia Miheecheva, Georgy Sagaradze, Alisa Zaichikova, Naira Samarina, Alexandra Boyko, Jessica H. Brown, Leysan Yunusova, Daniela Guevara, Jyothi Manohar, Michael Sigouros, Majd Al Assaad, Olivier Elemento, Juan Miguel Mosquera