HNRNPA1 and metastatic malignant neoplasm in the lymph nodes: In CR-adenocarcinoma, the median level of HNRNPA1 was significantly higher in well-differentiated type (7.0 vs. 5.0; p = 0.020), no lymph node metastasis (7.0 vs. 4.3; p = 0.003), or low (≤II)-stage (7.0 vs. 4.3; p = 0.003) groups than in the other groups.