| http://www.w3.org/ns/prov#value | - For specimens fixed longer than 48 hours for HER2 and longer than 72 hours for ER and PgR in which negative test results are obtained, the report should state that prolonged fixation could be a possible cause for the negative result, and alternative testing methods should be considered (e.g. FISH for HER2; gene expression assay for ER).
|
