Claim: Lithopedion is a rare phenomenon which occurs most commonly when a fetus dies during an abdominal pregnancy, with only few known cases such as Antamma of Mominpur, West Bengal,  India in 1977, Huang Yijun of Pomponischi, Duchy of Mantua in 1948, and Joaquina Costa Leite of Natividade, Tocantins State, Brazil in 1970, for example.
Evidence: Huang Yijun (92) People's Republic of China 1948