In the preoperative period, the participants will be taken to the block room. The participants will be monitored, standard sedation will be applied.~Patients in the first group will be provided with preoperative and peroperative analgesia with an epidural catheter. The second group patient will be get no block. Afterwards, both groups will be operated under similar general anesthesia conditions. A patient-controlled analgesia device will be attached to each group of participants and their postoperative follow-up will be made.
In this study, the investigators aim to reduce complications in orthopedic malignancy surgeries and to increase the quality of life of patients who will be operated on.