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Pathology
World Health Organization Classification
Adenocarcinoma (>90%)
Mucinous adenocarcinoma
Adenosquamous carcinoma
Small cell carcinoma
Medullary carcinoma
Signet ring adenocarcinoma
Squamous cell carcinoma
Undifferentiated
Skibber JM et al. Cancer of the colon. In: Devita VT Jr, Hellman S, Rosenberg SA, editors. Cancer: Principles and Practice of Oncology, 6th ed. Philadelphia: Lippincott Williams & Wilkins, 2001:1216–1270
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