Efficacy assessment pr means partial remission. Pr is actually one of the RECIST efficacy evaluation criteria, which is used to grade the results of cancer chemotherapy treatment, indicating that the patient has a good effect on the current treatment, and the tumor volume has been reduced by more than 30% relative to the previous one, and the patient’s condition has been partially relieved, so the patient can continue with the current treatment plan. The efficacy assessment Pr is actually a relatively good result, it is recommended that the patient continue the current treatment, regular review; in addition, if the patient has already reached the surgical index, you can also consider surgical resection, and then later adjuvant chemotherapy treatment, but also be able to enhance the effect.