ARM II (COURSES 4-6): Within 4 weeks of surgery (within 6 weeks of completion of course 3 in patients who do not undergo TRS), patients receive ruxolitinib phosphate PO BID on days 1-21 and paclitaxel and carboplatin as in arm I. Treatment repeats every 21 days for 3 courses in the absence of disease progression or unacceptable toxicity.