question: My Father (60Yrs) old is suffering CA colon from 2005 and opt RT Hemicolectomy on 04/21/2005 after six Chemo .he was well.again 2010 he suffering pain & got Ca colon & again surgery on anastomosis site on 07/10/10. Now again four chemo completed & again biopsy report showing adenocereionoma with ulceration. so please reply me whether he need another surgery to remove infection.