Presence of receptor tyrosine-protein kinase erbB-2 in primary malignant neoplasm of breast by immunohistochemistry (observable entity) | | Presence of receptor tyrosine-protein kinase erbB-2 in primary malignant neoplasm of breast by immunohistochemistry | | Status of HER2/neu in primary malignant neoplasm of breast by immunohistochemistry
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| Id | 3550001000004108 | Status | Defined |
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