[1] Univ Tokyo, Dept Surg Oncol, Tokyo, Japan
[2] Univ Tokyo, Dept Outpatient Chemotherapy, Tokyo, Japan
[3] Univ Tokyo, Dept Gastrointestinal Surg, Tokyo, Japan
[4] Kanamecho Hosp, Ascites Treatment Ctr, Tokyo, Japan
[5] Univ Tokyo, Dept Surg Oncol, Grad Sch Med, Tokyo, Japan
[6] Univ Tokyo, Fac Med, Tokyo 113, Japan