"100443072"@en-us . "surgical removal of part or all of the sigmoid colon (usually to remove a malignant tumor)"@en-us . . "0"^^ . "sigmoidectomy"@en-us . "00687619-n"^^ . . . . . "0"^^ . "100646226"@en-us . "100687619"^^ . . . . "sigmoidectomy"^^ . .