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Report Produced: 05/01/2026 18:59 PM

Report Question ID Question
20240012

Solid Tumor Rules/Histology--Other Sites: Should an additional Note be added to Other Sites Solid Tumor Rules, Rule H12, to indicate that if the diagnosis is an NOS histology in a polyp, continue on through the rules or should Other Sites Rule H13 be moved ahead of Rule H12 to capture this specific histology? See Discussion.
20000454

First Course Treatment: If the patient receives no treatment at the time of diagnosis (either because it is not recommended or because the patient refused treatment at that time) but treatment is later instituted after disease progression, should this treatment be coded as part of the first course of treatment?
20110015 Primary site/Histology: Do the 4/1/09 changes in the ICD-O-3 Site/Type Validation table regarding the coding of primary site for intestinal type adenocarcinoma mean that the former valid site/histology combinations are now impossible and require review from a given diagnosis date forward? See Discussion.
20200078

Solid Tumor Rules (2018)/Histology--Brain and CNS: Should the new malignant term pituitary blastoma be added to Table 3 of the 2018 Malignant Central Nervous System (CNS) and Peripheral Nerves Solid Tumor Rules? See Discussion.
20230066

Solid Tumor Rules/Histology--Lung: Table 3 in Lung Solid Tumor Rules, 2023 Update, lists neuroendocrine carcinoma, NOS 8246 as a specific subtype/variant for small cell carcinoma 8041/3. Should the table be updated? See Discussion.
20180110

Solid Tumor Rules (2018)/Histology--Lung: What is the histology code of a 2018 lung case whose pathology states adenocarcinoma, acinar predominant?
20200074

Solid Tumor Rules (2018)/Histology--Head & Neck: What specific table(s) in the 2021 Head and Neck Solid Tumor Rules if any, apply to tumors of the lip? See Discussion.
20100046

Heme & Lymphoid Neoplasms: Is a clinical remission sufficient to change the tumor status to "disease free" for a patient on long-term chemotherapy for a diagnosis of either a chronic hematologic disease, such as CML, or a myeloproliferative disorder, such as essential thrombocythemia? See Discussion.

20170071

Reportability/Brain and CNS: Is incidentaloma reportable from brain and central nervous system (CNS) imaging? See Discussion.
20200072

Solid Tumor Rules (2018)/Multiple Primaries--Breast: How many primaries are accessioned when there are multiple synchronous/non-contiguous tumors when one tumor is metaplastic carcinoma (with carcinoma No Special Type (NST) or lobular carcinoma) and another tumor is strictly carcinoma, NST? See Discussion.