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Report Produced: 05/01/2026 19:55 PM

Report Question ID Question
20150034

MP/H/Histology/neuroendocrine : How should the following histologies with neuroendocrine differentiation be coded?

1.  Bladder - Invasive urothelial carcinoma with neuroendocrine differentiation

2.  Nasopharnyx - Undifferentiated nonkeratinizing nasopharyngeal carcinoma with neuroendocrine differentiation

3.  Ductal carcinoma in situ (with neuroendocrine features) cribriform and solid patterns

See discussion.

20180070

Solid Tumor Rules (2018)/Histology--Lung: The Histology coding guidelines for lung cancer state to code histology when stated as type or subtype but not to code when described as pattern. How should the histology be coded (Adeno, NOS or Adeno, Mixed subtypes) if the College of Americal Pathologists Protocol of the pathology report lists the following: Histologic type: Adenocarcinoma, papillary (90%), lepidic (8%), and solid (2%) patterns?
20041029

Ambiguous Terminology/Reportability: Are the terms "bordering on" and "may represent" diagnostic of cancer? See Discussion.
20031021 Primary Site--Head & Neck: What is the anatomical distinction among tonsillar fossa, tonsillar pillar, and tonsil NOS?
20240040

First course treatment--Kidney: How should the different treatment fields be coded if surgery is planned but cancelled due to patient noncompliance, then the tumor is treated with ablation, and eventually surgery is given due to residual disease? See Discussion.
20041069

Reportability--Brain and CNS: Is a meningioma invading the bone malignant and, therefore, SEER reportable if diagnosed prior to 2004? See Discussion.
20160076

MP/H Rules/Histology--Brain and CNS: What is the histology code for a tumor originating in the cerebellum and extending into the fourth venrticle described as a glioblastoma with primitive neuroectodermal tumor component (WHO Grade IV)?

20091126 MP/H Rules/Multiple primaries--Vagina: How many primaries should be abstracted for a patient with a complex history of multiple occurrences of vaginal intraepithelial neoplasia (VAIN III) between 2001 and 2008 and invasive squamous cell carcinoma (SCCA) of the vagina diagnosed in 2006 and again in 2008? See Discussion.
20010012

Surgery of Primary Site--Breast: What code is used to represent this field for a breast primary treated with a "bilateral mastectomy"? See discussion.
20160041

First course treatment/Surgery of Primary Site--Skin: How are Surgery of Primary Site and Surgical Procedure of Other Site coded for an eyelid skin primary diagnosed by punch biopsy and treated with an orbital exenteration? See Discussion.