virchow's node
Virchowâs Node. Virchowâs node (or signal node) is a lymph node in the left supraclavicular fossa (the area above the left clavicle). It takes its supply from lymph vessels in the abdominal cavity. Virchowâs node is also sometimes coined âthe seat of the devilâ given its ominous association with malignant disease. The finding of an enlarged, hard node (also referred to as Troisierâs sign) has long been regarded as strongly indicative of the presence of cancer in the abdomen, specifically gastric cancer, that has spread through the lymph vessels.