TP53 and cancer: Several meta-analysis demonstrated that TP53 codon 72 polymorphism was associated with the susceptibility to a variety of cancers, such as colorectal cancer (Du et al., 2017), esophageal cancer (Steccanella et al., 2017), nasopharyngeal cancer (Zhuo et al., 2009a), and non-Hodgkin lymphomas (Xu et al., 2017).