SEER Inquiry System - Search

Primary site--Head & Neck: Are cases with positive cervical lymph nodes that are EBV positive (EBV+) coded to the nasopharynx, and cases with positive cervical lymph nodes that are p16 positive (p16+) coded to the oropharynx, when no primary site is identified? See Discussion.

Summary Stage 2018/Extension--Prostate: Can imaging be used to code SEER Summary Stage 2018? MRI shows tumor involved the seminal vesicles and the patient did not have surgery. AJCC does not use imaging to clinically TNM stage a prostate case.

Reportability--Testis: Is demarcated scar tissue with atrophic seminiferous tubules and cortical bone consistent with burnt-out germ cell tumor and no evidence of germ cell neoplasia in situ (GCNIS) reportable? See Discussion.

EOD 2018/EOD Primary Tumor/Neoadjuvant treatment: If there is no clinical information available and all that is available is the post-neoadjuvant information, is it better to code EOD unknown (999) or use the post-neoadjuvant information to code EOD? See Discussion.

Solid Tumor Rules (2018)/Multiple primaries--Bladder: Does Rule M11 in the 04/2019 Solid Tumor Rules Urinary update apply to synchronous/simultaneous tumors only or to multiple tumors with any timing? See Discussion.

2018 Solid Tumor Rules/Histology--Colon: What is the histology code of a diagnosis of well differentiated neuroendocrine tumor (NET), grade 2 of the appendix? See Discussion.

First course of treatment/Radiation therapy--Kidney: Patient has a CT-guided biopsy of a right renal mass with procedure details under the Interventional Radiology Procedure Note stating "Gelfoam tract embolization." Is this particular embolization treatment?

Solid Tumor Rules (2018)/Histology--Lung: Is histology code or the number of primaries assigned differently in SINQ 20180093 if the word "pattern' was omitted? See Discussion.

Sequence Number Central--Brain and CNS: How is Sequence Number--Central coded for current/recent benign brain/CNS tumors when the patient has a history of an additional non-malignant CNS tumor diagnosed prior to 2004 (when these tumors became reportable to SEER)? See Discussion.

Solid Tumor Rules (2018)/Histology--Head & Neck: What table in the Head and Neck Solid Tumor Rules applies to tumors of the lip (C000-C009)? The rules apply to all tumors in sites C000-C148, C300-C339, C410, C411, C442 and C479, but none of the histology tables include the lip. See Discussion.