Performance Status Is a Predictive Factor of Improvement after Colonic Stenting in Patients with Malignant Stenosis due to Extraparenteral Malignant Tumors

Figure 1

Study flow diagram depicting selection of cases. A total of seventy-five patients underwent colonic stenting for colorectal obstruction in 2 tertiary hospitals in Tokyo, Japan. Twenty-one patients with colorectal obstruction due to extraparenteral malignant tumors were included this study. We divided the patients into the clinically improved and nonimproved groups.