Uterus- Leiomyosarcoma with strong Caldesmon immunostaining of tumor cells (Caldesmon immunohistochemistry).
Uterus, cervix- Caldesmon negative adenocarcinoma next to caldesmon positive smooth muscle cells and small blood vessels (Caldesmon immunohistochemistry).
Uterus, cervix- Caldesmon negative squamous cell carcinoma adjacent to caldesmon positive smooth muscle and small blood vessels (Caldesmon immunohistochemistry).