This book provides the most comprehensive and up-to-date knowledge of lymph node micrometastasis (LMM) and sentinel node navigation surgery (SNNS) in gastrointestinal cancers.

Lymph node metastasis is a critically important prognostic factor in gastrointestinal tract cancers such as tumors of the esophagus, stomach, and colorectum. An understanding of the basic aspects of lymphatics and lymph nodes, including anatomy, histology, physiology, immunology, and molecular biology, is fundamental for physicians who are involved in cancer treatment. Furthermore, owing to the development of molecular and biological methodology, the precise recognition of LMM and its clinical significance have been clarified recently.

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