Table 3: Macro-metastasis as demonstrated using H&E. Number of patients with macro-metastasis-positive (LN+) and macro-metastasis-negative (LN−) nodes in different groups.

Preoperative evaluationLower LN group Upper LN groupPostoperative evaluation
SLNNon-SLN

LN (−)4357536953
LN (+)291519319
Number of samples7272727272

SLN: sentinel lymph nodes group; non-SLN: non-sentinel lymph nodes group.