deaths (OS)progression or deaths (PFS)RFS/DFS

mHNSCC - L1 - all population metastatic-recurrent HNSCC (mHNSCC) mHNSCC - 1st line (L1) mHNSCC - L1 - all population

mHNSCC - L1 - PDL1 positive metastatic-recurrent HNSCC (mHNSCC) mHNSCC - 1st line (L1) mHNSCC - L1 - PDL1 positive