135
Participants
Start Date
December 1, 2017
Primary Completion Date
January 1, 2019
Study Completion Date
July 1, 2022
Ultrasound evaluation
High-frequency ultrasound is used to detected the lymph node metastasis in vivo and vitro. The lymph node number, morphology and elastographic parameters are collected in the patients and in fresh lymph node specimens.
Peking University People's Hospital, Beijing
Peking University People's Hospital
OTHER