Papillary variant of adenoid cystic carcinoma of the maxillary sinus. Issue 3 (13th January 2023) - Shiraishi, Junichi; Hatano, Mami; Funakoshi, Izumi; Murata, Yuya; Maeshima, Arafumi; Ito, Fumihiro; Morinaga, Shojiroh; Nakaguro, Masato