SEER Inquiry System - Search

MP/H Rules/Histology-Urinary: 1) What is the correct ICD-O-3 morphology code for conventional renal cell carcinoma? Is this clear cell carcinoma or does conventional refer to the general diagnosis?

2) If a patient was diagnosed with invasive papillary urothelial carcinoma of the bladder in May 2011 and returns in February 2013 with invasive urothelial carcinoma of the bladder, what is the correct ICD-O-3 morphology code?

First Course Treatment/Neoadjuvant Therapy--Breast: What pathology report descriptions are permissible to use in coding the Neoadjuvant Therapy Treatment Effect data item?  See Discussion.

Grade, Differentiation--Breast:

1) If Van Nuys nuclear grade 2 is the only grade given for an in situ breast primary, would it be coded as a 3-component system (e.g., 2/3 = 3)?

2) Is there a way of determining grade if only the total Van Nuys Prognostic index score is given (e.g., score 7/9)?

Update to current manual/Surgery of Primary Site/Surgery codes--Melanoma: Can the operative report be used to assess margins if there is no residual melanoma on the wide excision and no margins stated, or if distance is not stated on the pathology report when there is residual melanoma? See Discussion.

Reportability/Histology--Appendix: Is high grade appendiceal mucinous neoplasm (HAMN) diagnosed in 2018 reportable? See Discussion.

Reportability--Kidney: Is Bosniak 4 cystic lesion of right kidney reportable, and would the first CT date be the date of diagnosis? See Discussion.

Primary Site/Histology--Sarcoma: Do the clarifications in the 2018 ICD-O-3 Update Table regarding undifferentiated high-grade pleomorphic sarcoma (8830/3) apply to cases diagnosed 1/1/2021 and later with the implementation of ICD-O-3.2? See Discussion.

MP/H Rules/Histology--Sarcoma: Is 8811/3 the correct code for myxofibrosarcoma (myxoid malignant fibrous histiocytoma) high-grade (grade 3/3)?