Solid Tumor Rules (2018, 2021)/Histology--Melanoma: In what situation will Rule H6 be used to code the histology to lentigo maligna melanoma? See Discussion.
Reportability--Brain and CNS: Are lipomas of the spinal column reportable as a benign tumor of the central nervous system (CNS)? This is seen occassionally at our pediatric facility.
Reportability/Primary Site--Skin: Is vulvar intraepithelial neoplasia III (VIN III) or associated invasive squamous cell carcinoma reportable when stated to be of the or or ? See Discussion.
Reportability/Histology--Eye: Is “squamous mucosa with high grade dysplasia” equivalent to a diagnosis of “high grade squamous dysplasia?” See Discussion.
Date Therapy Initiated/First-Course of Cancer-Directed Therapy Fields/Summary Stage 2000--Prostate: How do you code these fields for a case that received preventative chemo before a definitive cancer diagnosis?
Solid Tumor Rules/Multiple Primaries--Stomach: Is a carcinoid tumor of the stomach diagnosed on 01/01/2023, on a patient who was followed up by Gastrointestinal (GI) and was found to have another stomach carcinoid on 02/01/2024, one primary or two? See Discussion.
Reportability/Histology--Cervix: Is a stratified mucin-producing intraepithelial lesion (SMILE) lesion reportable? Is it reportable if it is invasive SMILE? What is the correct histology? See Discussion.
Surgery of Primary Site/CS Reg LN Exam/Scope Regional LN Surgery--Rectum: How are these fields coded when a patient develops a non-tumor related complication that requires an additional sigmoid resection that removes 2 additional lymph nodes one week following a low anterior resection that removed 4 lymph nodes? See Discussion.
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