1. A method for creating an anatomic working space in a body for a minilaparotomy procedure, comprising: forming a minilaparotomy opening in the body; forming a trocar opening in the body; inserting a trocar into the trocar opening; introducing a telescope through the trocar to observe and illuminate a first tissue to be surgically treated; inserting at least one first piercing retractor into the body through the opening, wherein the piercing retractor has first and second end portions; puncturing a wall of the body by the first end portion of the first piercing retractor; and lifting the wall of the body and moving around by using the first piercing retractor until a desirable anatomic working space is created in the body.