Table S2.

Improbable sites of lymph node metastasis from selected primary cancers

Primary cancer	Improbable sites of lymph node metastasis
140–149	196.3, 196.5
150–159	196.0, 196.3, 196.5
160–165	196.3, 196.5
170–171	None
174–175	196.0, 196.5
176	None
179–183	196.0, 196.3, 196.5
184	196.0, 196.3
185–186	196.0, 196.3, 196.5
187	196.0, 196.3
188–189	196.0, 196.3, 196.5
190	196.3, 196.5
191–192	196.0, 196.3, 196.5
193	196.3, 196.5
194	196.0, 196.3, 196.5
209.0–209.3	196.0, 196.3, 196.5

Note: Codes for multiple lymph node sites and unspecified sites (ICD-9-CM 196.8, 196.9) will be considered equally probable for melanoma and other primary cancers and thus are not included in the table.

Abbreviation: ICD-9, International Statistical Classification of Diseases, Ninth Revision.