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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. Neither should it be used in 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 cancer may also be used in the 'metastatic cancer to x body structure' synonym description where the morphological type of metastatic neoplasm is unknown, i.e., 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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