RecruitingDevice studyPost-Market Study of the Signia Circular Stapler With Tri-Staple Technology in Left-sided Colon, Sigmoid, and Rectal ResectionsThe purpose of this study is to evaluate the safety and performance of the Signia™ power handle, Signia™ circular adapter, and Signia™ Tri-Staple™ 2.0 circular reloads (hereafter referred to as Signia™ circular stapler) in patients undergoing left sided colon, sigmoid, or rectal resections in a post market setting.