Rotter's lymph nodes are small interpectoral
lymph nodes located between the
pectoralis major and
pectoralis minor muscles. They receive
lymphatic fluid from the muscles and the
mammary gland, and deliver lymphatic fluid to the
axillary lymphatic plexus.
They are associated with breast cancer, as the cancer sometimes spreads (metastases) to the interpectoral lymph nodes. They are named after German surgeon Josef Rotter (1857-1924), who described them in the late 19th century.
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