BACKGROUND Tumor recurrence after orthotopic liver transplantation(OLT)remains a serious threat for long-term survival of the recipients with hepatocellular car
BACKGROUND Although pathological response is a common endpoint used to assess the efficacy of neoadjuvant chemotherapy (NAC) for gastric cancer, the problem of
BACKGROUND The xeroderma pigmentosum group G(XPG)gene at chromosome 13q33 consists of 15 exons,which may be related to the occurrence and development of gastric