Rectal Impaction of a Migratory Duck Bone After 72 Asymptomatic Hours: A Defused Time Bomb. - Cheng, Zhengyuan; He, Jiajun; Chen, Ying; Ju, Honglei; Wang, Kuangjing; Wang, Yuan; Wang, Haitao; Shen, Yingzhou (Clinical Case Reports, 2026)