LIPOMA-LIKE TUMOR MASS PROBABLY ARISING IN THE RETROPERITONEAL HETEROTOPIC PANCREAS: A PREVIOUSLY UNDESCRIBED LESION ArticleOhtsuki Yuji, Takahashi Tamotsu, Ueta Shousuke, Mitani Miko, Ichien Miho, Fukata Satoshi, Murata Yoriko, Moriki ToshiakiPathology International. Том 54. 2004. С. 527-531