deaths (OS)

squamous - mNSCLC - L2 - all population metastatic/advanced NSCLC (mNSCLC) - 2nd line (L2) squamous cell - mNSCLC - L2 squamous - mNSCLC - L2 - all population

versus docetaxel
nivolumab alone vs. docetaxel 1 certainty unassessablestatistically conclusive-38%