The complete response (CR), partial response (PR), stable disease (SD) and progressive disease (PD) rates were 3.2% (1/31), 19.4% (6/31), 45.2% (14/31) and 32.3% (10/31) respectively, with an overall response rate (CR+ PR) of 22.6% (7/31).

• 完全缓解(CR)1例；占3.；2%25；部分缓解(PR)6例；占19