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Report Produced: 02/16/2026 12:22 PM

Report Question ID Question
20081138 MP/H Rules/Histology--Lung: What is the correct histology code for a neuroendocrine neoplasm described as a carcinoid and also referred to as oncocytic? See Discussion.
20081136 CS Extension--Corpus uteri: Can a suspicious cytology be used to code extension? See Discussion.
20081135

MP/H Rules--Lung: Per rule M8, tumors of the same site (left lung), same histology (NSCC), greater than 3 yrs apart are separate primaries.

However, there was a recurrence to mediastinal LNs after 2 years. Would that make a difference as to whether the 2008 left lung carcinoma is reportable as a new primary or not? See Discussion.
20081134

MP/H Rules--Breast: For tubulolobular carcinoma, do we use 8522? See Discussion.
20081133 MP/H Rules--Breast: What histology code is used for lobular carcinoma, pleomorphic type?
20081132 MP/H Rules--Breast: What is the histology code for a breast tumor that is ductal ca with focal squamous differentiation? See Discussion.
20081131 MP/H Rules--Colon: What histology would you assign to a single tumor with the histology 'well differentiated mucinous cystadenocarcinoma in a villous adenoma confined to the appendix'? Does rule H4 apply to this diagnosis or should we continue on in the rules to H14 and code the higher histology?
20081130 MP/H Rules--Breast: What histology code is used for lobular with focal ductal features? Do we ignore the focal features and code as lobular or do we use the combination code for duct and lobular?
20081129 MP/H Rules--Breast: What histology code should be used with invasive papillary carcinoma with cribriform carcinoma component? There is also DCIS adjacent to the invasive tumor, predominant cribriform and focal papillary patterns. This is a single breast tumor. See Discussion.
20081128

MP/H Rules/Histology--Breast: What is the histology code for the following?

4/21/03 Left breast: infiltrating ductal carcinoma, grade 3 micropapillary type. Tumor size: 3.5 cms; deep margin negative. Skin, nipple & areola positive for invasive ductal carcinoma. Dermal lymphatic invasion by carcinoma breast. Extensive intraductal component absent. 6+/6. See Discussion.