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Report Produced: 05/18/2026 18:12 PM

Report Question ID Question
20160046

MP/H Rules/Multiple primaries--Bladder: How many primaries should be reported for the case below? See discussion.

20091023 Sugery of Primary Site--Breast: When a patient is simultaneously diagnosed with bilateral breast cancer and bilateral mastectomies are done, do you code the total mastectomies to 40 or 41 or 42?
20180079

Solid Tumor Rules/Multiple primaries--Breast: How many primaries should be abstracted when papillary carcinoma is identified in two biopsies and a subsequent lumpectomy identified invasive ductal carcinoma with multifocal ductal carcinoma in situ (DCIS)? See Discussion.
20210064

Solid Tumor Rules (2018/2021)/Multiple primaries--Ovary, Fallopian Tube: How many primaries should be reported when patient has right fallopian tube high-grade serous carcinoma and bilateral serous tubal intraepithelial carcinoma (STIC)? See Discussion.
20240005

SEER Manual/Mets at Diagnosis--Lung: Would calvarium lesions invading the brain be both brain and bone metastasis or only bone metastasis? See Discussion.
20110145 MP/H Rules/Recurrence--Skin: If a pathologist does not review the August 2008 slides, how many primaries are accessioned for a patient diagnosed and treated for a dermatofibrosarcoma protuberans of the left upper inner arm in August 2008 who subsequently had a "recurrence" noted in October 2010 located in the scar of the original primary?
20170017

MP/H Rules/Multiple primaries--Liver: How many primaries of the same site and histology are reported if tumors appear years apart but neither is surgically removed? See Discussion.
20230072

Solid Tumor Rules/Multiple Primaries--Bladder: How many primaries and what M Rule applies to a diagnosis of non-invasive urothelial carcinoma of the bladder in 1996, followed by multifocal non-invasive papillary urothelial carcinoma involving bladder, prostatic urethra, and left ureter in 2022? See Discussion.
20210027

Reportability--Heme and Lympoid Neoplasms--Polycythemia vera: Is secondary polycythemia vera reportable? See Discussion.
20160075

MP/H Rules/Histology--Breast: What histology code(s) and MP/H rule applies for a breast resection final diagnosis of "undifferentiated sarcoma associated with a malignant phyllodes tumor and a tumor size of approximately 7 x 6.5 x 4 cm"? (The tumor is primarily sarcoma, with the phyllodes tumor measuring 2.8 cm)? See Discussion.