In contrast, there was no clear relationship with BMI (p=0.393), sex (p=0.839), diabetes (p=0.080), tumor location (p=0.287), histology (p=0.848), grade (p=0.112), tumor depth (p=0.930), lymph node stage (p=0.987), metastasis stage (p=0.077), S-100 (p=0.298), MMR status (p=0.228), or HER-2 status (p=0.394). This evidence concerns the gene ERBB2 and diabetes mellitus.