 From January to November 2006, 80 women were selected, with clinical examination, constipation score, colonoscopy, anorectal manometry, and perineography and randomly assigned to 2 groups: 40 patients underwent stapled transanal rectal resection with two staplers PPH-01 Ethicon Endosurgery Inc, Pomezia, Italy STARR group and 40 had the same operation with new, curved multi-fire stapler Contour R Transtar TM TRANSTAR group. Patients were followed up with clinical examination, constipation score, and perineography. 