Efficacy of Pectoral Nerve Block Type II for Breast-Conserving Surgery and Sentinel Lymph Node Biopsy: A Prospective Randomized Controlled Study

Figure 4

NRS of the breast (a) and axilla (b) in the PECS II and control groups. Data are expressed as the median (interquartile range). value < 0.05.

(a)

(b)