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Report Produced: 08/02/2025 11:16 AM

Report Question ID Question
20120018 MP/H Rules/Histology--Breast: How is histology coded if a lumpectomy reveals multifocal ductal carcinoma in situ spanning an area of 0.9-1.2 cm with close margins and a subsequent mastectomy reveals only a single focus of lobular carcinoma in situ measuring 0.2 cm in the UOQ, remote from all surgical margins? See Discussion.
20130170

MP/H Rules/Histology--Breast: What is the histology code for "invasive carcinoma of the breast, no special type" as the final diagnosis on a pathology report? See Discussion.

20120030

MP/H Rules/Histology- -Melanoma: What is the correct histology code if the final diagnosis for an excisional biopsy specimen is reported as "malignant melanoma, superficial spreading type" but the under the "cell type" section in the CAP protocol layout of the pathology report it lists "cell type: epithelioid"? See Discussion.
20130149 MP/H Rules/Histology--Testis: What is the histology code for a testis primary with embryonal carcinoma (70%), yolk sac tumor (30%), and a focus of seminoma (<1%)? See Discussion.
20170001

MP/H Rules/Histology--Kidney: How is the histology coded and what rule(s) apply to the classification of succinate dehydrogenase-deficient renal cell carcinoma? See Discussion.
20021066 Histology: How do we code this field when a less representative specimen has a more specific morphology? See discussion.
20041043 First Course Cancer-Directed Treatment--Bladder: How should Mitomycin-C instillation for bladder cancer be coded?
20190107

First Course Treatment/Chemotherapy--Colon: Is maintenance therapy coded as part of the first course of treatment or as part of subsequent course of treatment?
20081008 Surgery of Primary Site--Breast: How is this field coded when a re-excision follows a prior mastectomy?
20170065

MP/H Rules/Histology--Thyroid: How should histology be coded for a single tumor with final diagnosis undifferentiated (anaplastic) carcinoma arising in association with papillary thyroid carcinoma and the Summary Cancer Data states Histologic type: Undifferentiated (anaplastic) carcinoma only? See Discussion.