イオマンテ--アイヌの送り儀礼 (特集 アイヌ民族の歴史と文化)

This article describes a metastasizing tumor of the paratesticular tissue which has features similar to that of malignant mesothelioma commonly seen in other mesothelial surfaces. The tumor is composed of two types of cells, epithelial-like and spindle-shaped malignant cells.