Acantholytic squamous cell carcinoma of the lung with marked lymphogenous metastases and high titers of myeloperoxidase-antineutrophil cytoplasmic antibodies: a case report oleh Kenji Yorita, Kazuya Tsuji, Yoko Takano, Naoto Kuroda, Kei Sakamoto, Kaoru Arii, Yukio Yoshimoto, Kimiko Nakatani, Satoshi Ito