Solid Tumor
Rules/Multiple Primaries--Testis: How many primaries and what M Rule applies
when metastatic seminoma is diagnosed greater than 40 years after a left
testicular teratoma with yolk sac tumor and embryonal carcinoma? See
Discussion.
Solid Tumors Rules/Histology--Head and Neck: How is histology coded for head and neck primaries when a tumor is diagnosed as an invasive squamous cell carcinoma with multiple subtypes? See Discussion.
Stage-related Data Item/Lymphovascular Invasion--Ovary: The 2018 SEER Program Coding and Staging Manual states that LVI is coded 8 (Not applicable) for Ovary (Schema 00551). What is the reason for having lymphovascular invasion (LVI) coded "8" for Ovary? See Discussion.
Summary Stage 2000--Colon: How should this field be coded for involvement of "pericolonic fat, NOS" when there is no mention of whether the fat is sub-serosal or supra-serosal? See Description.
Summary Stage 2000--Lymphoma: How is SEER SS2000 coded for an ocular adnexal lymphoma when it extends from the primary site to adjacent sites that are still orbital structures? See Discussion.
Summary Stage 2000--Melanoma: How should Summary Stage 2000 be coded for 2014+ diagnosed melanoma cases with satellite nodules or in transit metastases? See discussion.
Summary Stage 2018--Ovary: What is the summary stage for an ovarian primary in 2024, in which the ovary capsule was ruptured with surgical spill? See Discussion.
Summary Stage 2018/EOD 2018--Lymphoma Orbital Adnexa: What is the correct Summary Stage 2018 (SS2018) for the site/histology Orbit, NOS (C696), 9699/3? In SEER*RSA, Extent of Disease (EOD) Primary Tumor references code 7 (Distant), whereas SS2018 assigns code 2 (Regional)? See Discussion.
Summary Stage 2018/EOD 2018--Thymus: How should SEER Summary Stage 2018 be coded for a 2018 thymus primary which has mediastinal fat invasion without mediastinal pleural involvement? See Discussion.
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