Lorenzo Pagliai, Annicchiarico A, Morini A, Montali F, Virgilio E, Costi R. The double challenge (preoperative diagnosis and surgical approach) of primary leiomyosarcoma of the sigmoid colon. Acta Biomed. 2022;93(S1):e2022124. doi:10.23750/abm.v93iS1.11652