A single arm, phase II, monocentric, clinical experience trial. The eligible patients sign a informed consent form, and receive a 4 - 6 cycles of paclitaxel/carboplatin chemotherapy. Objective response rate is evaluated by imaging examination (CT or MR scan) every 2 cycles. Toxicities are evaluated by patients' diary for toxicity reports and physician's evaluation at day 10 and day 21 at every cycle. Blood samples are collected every cycle. And survival information is collected by clinic and telephone follow-up.