NOTCH1 and metastatic malignant neoplasm in the lymph nodes: In the subgroup of patients with early tumor stages (n = 64), NOTCH1 expression was the second most important factor (HR: 0.82, 95% CI: 0.67–0.99, p = 0.038) after lymph node metastasis (HR: 3.35, 95% CI 1.30–8.68, p = 0.013).