[A case of sigmoid colon cancer with peritoneal dissemination responding to third-line therapy employing bevacizumab combination therapy after failure of FOLFOX and FOLFIRI].

A58 -year-old man with sigmoid colon cancer with peritoneal dissemination was treated with bevacizumab (BV) plus mFOLFOX6 therapy as third-line chemotherapy after treatment failures with FOLFOX4 and FOLFIRI regimen. BV combination therapy resulted in a decrease in ascites and disappearance of the primary lesion. His ECOG performance status (PS) recovered from level 3 to level 1, and BV combination therapy improved his quality of life.