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Report Produced: 02/09/2026 12:44 PM

Report Question ID Question
20200003

Histology--Penis: What is the histology code of a glans penis primary with the final diagnosis squamous cell carcinoma, verrucous type? See Discussion.
20031095

Summary Stage 2000--Colon: How should this field be coded for involvement of "pericolonic fat, NOS" when there is no mention of whether the fat is sub-serosal or supra-serosal? See Description.
20190071

First course treatment/Surgery of Primary Site--Rectum: Please provide the correct surgery code for a laparoscopic transanal abdominal transanal (TATA) procedure with bilateral salpingo-oophorectomy (BSO) for rectal cancer following neoadjuvant chemotherapy. See Discussion.
20110094

Surgery of Primary Site--Breast: Is a "nipple sparing mastectomy" coded to 30 [subcutaneous mastectomy] or 40 [total (simple) mastectomy] if the nipple/areolar complex was not removed but the pathology specimen indicates some breast skin was removed? See Discussion.

20021103 Surgery of Primary Site/First Course Treatment--Liver: If disease progression is so rapid that the initial therapy plan is changed before patient receives any therapy, would "no therapy" be the first course? See discussion.
20041096 Behavior Code--Breast: How is this field coded for a "non-invasive Paget disease of the breast?" See Discussion.
20061032 Behavior--Head & Neck: Should the SEER IF_Morph_3 edit be modified because it does not allow a behavior code 2 with histology 8941 [carcinoma in a pleomorphic adenoma] for a parotid primary?
20100036 Behavior--Lung: Can an in situ behavior code be used for a bronchioalveolar carcinoma of the lung when the pathologist appears to use the term bronchioalveolar to describe an in situ pattern of growth exhibited by an adenocarcinoma? Is the use of the term "pattern" in this situation indicative of in situ tumor? See Discussion.
20110154

Behavior--Breast: Is a breast biopsy diagnosis of "ductal carcinoma in situ with focal and very early stromal invasion" an invasive tumor with a behavior code 3?
20210020

Behavior--Breast: Should the behavior change to /3, invasive, to get a case to clear edits? The histology of this breast case is ductal carcinoma in situ (DCIS), 8500/2. Lymph nodes are positive for micro-mets (0.2 mm-2 mm). SEER Summary Stage: 3, regional lymph nodes positive. This creates an edit for SEER Summary Stage due to the behavior code of /2, in situ.