SLC3A2 and metastatic malignant neoplasm in the lymph nodes: LAT1 (3.5 ± 2.7 vs. 2.5 ± 1.8, P = 0.0164) and CD98 (4.1 ± 2.2 vs. 3.3 ± 2.0, P = 0.0475) expression and Ki-67 LI (38.7 ± 19.3 vs. 32.3 ± 14.1, P = 0.0299) were significantly higher in the 62 BDCs with than the 72 without lymph node metastasis.