Dataset based on 6 procedures of radical prostatectomy with lymphadenectomy using da Vinci Xi surgical system (Intuitive Surgical Inc., USA) at European Institute of Oncology (IEO, Milan, Italy). It is divided into 6 folders concerning the step of the procedure: Clips, Dissection, Irrigation, Suction, Suturing, Traction Each step is then divided into the four phases of the procedure: Collapse of the peritoneum, Prostate removal, Lymphadenectomy, Anastomosis Each frame is labeled as follows: PatientNumber_camera_step_NumberOfTheFrame for example, for the first frame of patient 1, left lens of the Da Vinci endoscope, in the dissection step we have: pa1_L_dissection_000000 In the folders concerning the step there are also collected the text files created on anvil (ground truth labels) We appreciate Alice Pierini, Eleonora Pollini, and Raffaella Salama's efforts in making this dataset.