Melanoma metastases through the lymphatic system.

Pathologists can expect to receive sentinel nodes from patients with cancers other than melanoma, such as breast, vulvar, thyroid, and colon cancers. Many of the recommendations in this article can be extrapolated to cancers other than melanoma, but there are some peculiarities that relate to each type of tumor. The pathologist should carefully review the published literature before attempting to evaluate sentinel nodes from patients with an unfamiliar form of cancer.