Objective The number of metastatic lymph nodes is considered the most appropriate classifcation of nodal metastasis for ......

Objective In addition to extraperigastric(EP)and perigastric(PG)lymph node metastases,skip lymph node metastasis is a lo......

Objective: The incidence of patent foramen ovale in normal population is about 25%.Tumor cells go direct to the systemic......