<qa>  What is the name of the study that focuses on the effectiveness of LPL and LSLaparoscopic peritoneal lavage LPL has recently been emerging as an effective alternative to laparoscopic sigmoidectomy LS in patients with complicated acute diverticulitis CAD Modified Hincheys classification grade II non-responder to conservative therapy and grade III. Aim of the study is to evaluate which surgical strategy, between LPL and LS, could give better results in patients with CAD 