Collaborative Stage

Collaborative Stage for TNM 7 - Revised 09/22/2009 [ Schema ]

CS Site-Specific Factor 16
Combinations of ER, PR, and HER2

Note 1: There is an interest in triple negative breast cancer. This field could be derived from SSF 1, 2, and 15.
Note 2: ER: the first digit is 0 for negative and 1 for positive for ER.
Note 3: PR: the second digit is 0 for negative and 1 for positive for PR.
Note 4: HER2: the third digit is 0 for negative and 1 for positive for HER2.

Code	Description
000	ER Negative, PR Negative, HER2 Negative (Triple Negative)
001	ER Negative, PR Negative, HER2 Positive
010	ER Negative, PR Positive, HER2 Negative
011	ER Negative, PR Positive, HER2 Positive
100	ER Positive, PR Negative, HER2 Negative
101	ER Positive, PR Negative PR, HER2 Positive
110	ER Positive, PR Positive, HER2 Negative
111	ER Positive, PR Positive, HER2 Positive
988	Not applicable: Information not collected for this case
999	One or more tests were unknown if performed One or more tests had unknown or borderline results Not documented in patient record