Research on extrauterine pelvic serous carcinomas is being reported, focusing on pathology and cross-sectional imaging findings. The studies appear to cover various aspects of the disease, including its biology, classification, and staging, as well as its relationship to other conditions such as endometrial cancer. The findings are based on analyses of molecular alterations, imaging evaluations, and clinicopathological studies, but the specific outcomes and implications of the research are not clear from the available information.