Figure 3. Fish bone (a portion of a cod head bone) after removal from the sigmoid colon (centimeter scale)

From

Sigmoid Colon Perforation Caused by an Ingested Fish Bone: A Case Report

Pyong Wha Choi

American Journal of Medical Case Reports. 2016, 4(9), 301-303 doi:10.12691/ajmcr-4-9-2