EOD Regional Nodes

This input is used for staging

Notes

**Note 1:** **Regional nodes and nodes, NOS** * Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in EOD Mets. **Note 2:** **Definition of Regional lymph nodes** * Regional lymph nodes are defined as those in the vicinity of the primary tumor. **Note 3:** **Lymph node involvement in bone is rare** * Regional lymph node involvement is rare. * If there is no mention of lymph node involvement clinically, assume that lymph nodes are negative and code 000. **Note 4:** **Lymph nodes, NOS** * Code 800 if regional lymph nodes are involved, but there is no indication which ones are involved.

Default

999

NAACCR Item

NAACCR #774

Code	Description	SS2018 N
000	No regional lymph node involvement	NONE
800	Regional lymph node(s), NOS Lymph node(s), NOS	RN
999	Unknown; regional lymph node(s) not stated Regional lymph node(s) cannot be assessed Not documented in medical record Death Certificate Only	U

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