Synonyms : Cancer of the Sigmoid, Neoplasms, Sigmoid, Sigmoid Colon Cancer, Sigmoid Colon Neoplasms, Sigmoidal Cancer, Cancer, Sigmoid, Cancer, Sigmoid Colon, Colon Cancer, Sigmoid, Colon Neoplasms, Sigmoid, Neoplasm, Sigmoid, Neoplasm, Sigmoid Colon, Sigmoid Colon Neoplasm