Research Article

Analgesic Effect of Ultrasound-Guided Anterior Quadratus Lumborum Block at the L2 Level in Patients Undergoing Laparoscopic Partial Nephrectomy: A Single-Center, Randomized Controlled Trial

Figure 2

Incisions in the laparoscopic partial nephrectomy. (a) Transperitoneal approach; (b) retroperitoneal approach.