TP53 and metastatic malignant neoplasm in the lymph nodes: However, p53 positive expression was not associated with lymph node metastasis (n = 2, N1 vs. N0, OR = 1.32, 95% CI: 0.80–2.18), primary tumor stage (n = 7, pT3/4 vs. pT1/2, OR = 1.16, 95% CI: 0.88–1.53), and sex (n = 2, male vs. female, OR = 1.09, 95% CI: 0.70–1.68).