Two case reports of ovarian clear cell carcinoma with central necrosis representing a mille-feuille-like appearance on contrast-enhanced MRI, Takeyama N, Ueda Y, Tashiro Y, Miyamoto S, Sasaki Y, Nakayama K, Ogawa T, Wada A, Nakamura A, Kachi M, Tauchi M, Morioka M,, 202605, May 2026, Peer-reviewed