19 studies (Tahara et al., 2014; Ito et al., 2015; Mitsuhashi et al., 2015; Mima et al., 2016; Sun et al., 2016; Park et al., 2017; Yan et al., 2017; Yu et al., 2017; Yamaoka et al., 2018; Chen et al., 2019; Jeong et al., 2019; Kunzmann et al., 2019; Zhang et al., 2019; Boehm et al., 2020; Haruki et al., 2020; Serna et al., 2020; Lee et al., 2021; Nie et al., 2021; Yamamoto et al., 2021) assessed the levels of Fn in cancer tissue samples. This evidence concerns the gene FN1 and cancer.