CADM1 and neoplasm: And the positive rate of CADM1/TSLC1 was associated with the tumor pathological grade (p < 0.01), with grade I, grade II, and grade III being 86.5% (77/89), 89.0% (145/163), and 34.1% (14/41), respectively, and the difference was statistically significant (p < 0.01).