Background Laparoendoscopic single-site (LESS) surgery through the retroperitoneal approach has been seldom reported.We aimed to evaluate the outcomes of LESS a
Background Carcinomas of the ampulla of Vater (CAV) is a relatively rare malignant gastrointestinal tumor,and its postoperative prognostic factors have been wel
Background Hypoxic pulmonary hypertension (HPH) contributes to the pathogenesis of cardiopulmonary diseases.Several lines of evidence indicate that the Rho A/Rh