Primary Site--Stomach: How do I code the primary site when the operative report and pathology report state that the tumor site is incisura of the stomach?
Primary Site--Testis: What is the prmary site for a 38 y/o male diagnosed with testicular cancer in a formerly undescended testis that was treated with orchiopexy at age 10-11? See discussion.
Primary Site--Vulva: What is the primary site of patient with an excision of a left vulvar cystic mass showing focal mammary-type ductal carcinoma in situ (DCIS) on 11/06/2020? See Discussion.
Primary Site/Brain and CNS: How is primary site coded when the ICD-O-3 provides a sub-site-associated morphology code and the only information available to code primary site for a particular diagnosis indicates a non-specific/not otherwise specified (NOS) site code? See Discussion.
Primary Site/CS Extension--Lymphoma: How are these fields coded for a non-Hodgkins lymphoma case with scans that show non-specific parenchymal lung nodules and a large mediastinal mass? See Discussion.
Primary Site/Corpus uteri: Is the primary site C541 (endometrium) or C543 (uterine fundus) when the histology states endometrial adenocarcinoma, endometrioid type, but tumor site states fundus? See Discussion.
Primary Site/EOD-Extension/EOD-Lymph Nodes--All Sites: What codes are used to represent these fields for an "extramedullary myeloid tumor (granulocytic sarcoma)" of the colon with positive or negative lymph nodes?
Primary Site/Heme & Lymphoid Neoplasms--CLL/SLL: Should the primary site be coded C421 (bone marrow) for a diagnosis of chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) when the managing physician provides a Rai stage? See Discussion.
Primary Site/Histology (Pre-2007)--Unknown & ill-defined site: How are these fields coded for a markedly atypical high grade malignant neoplasm diagnosed by a fine needle aspiration of a large iliac mass, right buttock area? See Description.
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