Fig. 1

Cervical small cell carcinoma associated with other types of epithelial tumors (hematoxylin-eosin staining). a Squamous cell carcinoma (△) and squamous cell carcinoma in situ (◇) detected in the superficial parts of small cell carcinoma (☆) (× 40). b Squamous cell carcinoma (△) intermingled with small cell carcinoma (☆) (× 100). c Small cell carcinoma (☆) mixed with adenocarcinoma (※) (× 100). d Adenocarcinoma (※) present at the periphery of small cell carcinoma (☆) (× 100)