https://www.selleckchem.com/pr....oducts/ly3039478.htm
Lastly, to investigate their concurrent occurrences, we compared the number of level IIb lymph node-positive cases among the level IIa lymph node-positive and -negative groups. Results A total of 39 patients fulfilling the inclusion criteria were included in the study. Only six had positive level-IIb lymph nodes. No significant associations of tumor size, invasion depth, muscle invasion, or involvement of level IIa lymph nodes with the positivity of level IIb lymph nodes were found. However, only three were level IIb lymph node-positi