Tumor microenvironment predicts local tumor extensiveness in PD-L1 positive nasopharyngeal cancer. oleh Soehartati A Gondhowiardjo, Handoko, Marlinda Adham, Lisnawati Rachmadi, Henry Kodrat, Demak Lumban Tobing, I Made Haryoga, Agustinus Gatot Dwiyono, Yoseph Adi Kristian, Tiara Bunga Mayang Permata