Definition: historic term for a lymph node immediately above the clavicle, especially on the left side, that is palpably enlarged as the result of a metastasis from a malignant neoplasm; the presence of such a node indicates that the probable site of primary involvement is in an abdominal organ.
Synonym(s): Troisier node
See Also: signal node
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Examples: glitazone, GI cocktail, etc.