“…There are 3759 English literatures in original search, after exclusion and screening, 28 English literatures (Cusack et al, 1996;Sun et al, 1996;Wu et al, 1996;Enriquez et al, 1998;Cerottini et al, 1999;Consorti et al, 2000;Nozoe et al, 2000;Kanemitsu et al, 2003;Chen et al, 2004;Du et al, 2004;Papadopoulos et al, 2004;Kang et al, 2005;You et al, 2006;Grillo-Ruggieri et al, 2007;Hill et al, 2007;Lee et al, 2007;Farhat et al, 2008;Pande et al, 2008;Catalano et al, 2009;Min et al, 2009;Song et al, 2009;Xie et al, 2009;Sultan et al, 2010;Catalano et al, 2011;Jivapaisarnpong et al, 2011;Hyngstrom et al, 2012;Langner et al, 2012;Yamaguchi et al, 2012) and 2 Chinese literatures (Songqing et al, 2002;Miao et al, 2005) meet the requirements. In the 30 literatures, 21 literatures can be used for Meta analysis of the relationship of mucinous adenocarcinoma and TNM staging, including 444489 cases, in which mucinous adenocarcinoma were 45050 cases, accounting for 10.1% of all cases; 21 literatures can be used for Meta analysis of relationship of mucinous adenocarcinoma and prognosis, including 450804 cases, in which mucinous adenocarcinoma were 45354 cases, accounting for 10.1% of all cases.…”