radical surgery appears to offer the best chance and different approaches can be selected according to tumor stage and invasive condition of the circumambient organ.
手术是本病的基本治疗措施,可根据肿瘤的范围、周围器官受累情况选择手术范围。
and from the result of multivariable regression analysis, we can see that importance of circumambient environment, convenient environment and human environment falls in turn.