Figure 6. Portable chest x-ray demonstrating pneumoperitoneum, visible as a crescentic lucency under the right hemidiaphragm (red arrow)

From

Vulvar Squamous Cell Carcinoma in a Patient with AIDS: A Case Study

Parinaz Ayat, Sara Sharif, Kevin Hewitt, Arkadij Grigorian, Sarah A. Goldman, Isabel M. McFarlane

American Journal of Medical Case Reports. 2020, 8(12), 522-527 doi:10.12691/ajmcr-8-12-25