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Report Produced: 12/20/2025 05:55 AM

Report Question ID Question
20250028

2025 SEER Manual/Primary Site--Lymph Nodes: How is Primary Site coded when lymphangioleiomyomatosis is incidentally diagnosed in pelvic lymph nodes on a resection for an unrelated reason? See Discussion.
20150052

Primary Site--Sarcoma: What is the best primary site code for an undifferentiated sarcoma of the pulmonary artery? See discussion.

20071057 Primary Site/CS Extension--Lymphoma: How are these fields coded for a lymphoma found in the spleen and retroperitoneal lymph nodes? See Discussion.
20021100 Primary Site: How do we code the primary site for a malignancy that occurs in parenchyma located in an ectopic site? See discussion.
20210024

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.
20140013 Primary site--Brain and CNS: How should primary site be coded for a medulloblastoma described as a "posterior fossa mass" and "centered within the fourth ventricle"? See discussion.
20021119 Radiation--Choroid: How do you code treatment involving a "radioactive iodine plaque" for choroidal melanomas?
20220024

Update to Current Manual/Residence at diagnosis:  Would an exchange student be a temporary resident of the SEER area or a non-resident?  See Discussion.
20031118 Primary Site/EOD-Extension--Kaposi Sarcoma: How are these fields coded for localized disease described as "Nodal Kaposi Sarcoma" found on inguinal node biopsy only?
20031120

Primary site: How is this field coded for a malignant spindle cell neoplasm in a subcutaneous mass of the right knee? See Description.