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See also Neoplasms Observable page |
Use of the term cancer
Disorder concepts defined with 1240414004 |Malignant neoplasm (morphologic abnormality)| may have cancer added as an acceptable synonym. The term cancer should not be used in the FSN or preferred term.
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Neither should
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it be used in
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descriptions for concepts that are more specific subtypes of the top level malignant neoplasm grouper (i.e., where the morphology is a specialized cell type).
The term
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cancer may also be used
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in the 'metastatic cancer to x body structure' synonym description where the morphological type of metastatic neoplasm is unknown, i.e.,
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it is defined with 14799000 |Neoplasm, metastatic (morphologic abnormality)|.
Neoplasia
When modeling neoplasia, distinguish structure from process. Do not use neoplasia in the FSN to identify the structure (even though it implies it). Use 126537000 |Neoplasm of bone (disorder)|, not neoplasia of bone.
Neoplastic disease refers to the process of neoplasia, leading to the formation of a neoplasm.
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For example,
Sufficiently defined concept 721624000 |Primary adenocarcinoma of overlapping sites of esophagus (disorder)| has a stated primitive parent of 187824009 |Malignant neoplasm of overlapping sites of digestive system (disorder)|.
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The terms colorectal and colorectum, commonly used by pathologists, are included in descriptions for concepts referring to neoplasms modeled with 1285733009 |Structure of cecum and/or colon and/or rectum (body structure)|. 1285733009 |Structure of cecum and/or colon and/or rectum (body structure)| is needed because neoplasms are the same from the cecum to rectum and are considered as a group in cancer synoptic reporting protocols. Note, there is no consensus concerning the definition of colon in the literature and between different domains. |
Congenital neoplasm
When modeling a congenital neoplasm disorder, the attribute-value relationship of Pathological process (attribute) = Pathological development process (qualifier value) is not used.
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