Ado-trastuzumab emtansine (T-DM1) for a case of HER2-amplified metastatic extramammary Paget's disease of scrotum: Clinical next-generation sequencing for precision medicine - Chih-Yu Chen; Chien-Ping Chiang; Li-Chun Lin; Hong-Wei Gao; Wei-Ming Wang; Ping-Yin Chang (Wolters Kluwer Medknow Publications, 2020)