1. Pathology report of the prostate (including type of cancer, Gleason score, number of stitches in the left and right lobes of the prostate and how many of them are malignant, etc.) 2. PSA value (if no endocrine treatment is given, the highest PSA value is required; if endocrine treatment is given, the highest PSA value before treatment and the most recent PSA value after treatment are required) 3. CT/MRI (to assess the prostate tumor, the relationship between the prostate and the surrounding tissues, and the presence of regional lymph node metastasis) 4. Bone scan (to assess the presence of bone metastasis, which is the most common form of prostate cancer) 5. In other words, the patient should have sufficient functional reserve to safely survive the perioperative period and cope with possible uncontrollable risks) 1. electrocardiogram, if necessary, ultrasound and 24-hour ambulatory electrocardiogram, etc. 2. pulmonary function 3. liver and kidney function, blood count, coagulation function