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Because the only description available is "hilar mass," code primary site as C34.0.

For cases diagnosed 1998-2003: Use size of mass for EOD-Size of Primary Tumor.

Based on your question, a review of the AJCC manual was done to clarify how these nodes would be coded. A review of Extent of Disease (EOD) Regional Nodes and EOD Mets was also done. That information is correct and in line with AJCC 8th edition. We apologize that SS2018 was not updated accordingly and thank you for bringing this issue to our attention.

Per AJCC, infraclavicular and intramammary nodes are ipsilateral for the N category. Contralateral or bilateral involvement are included in the M category.

The following will be applied to the planned 2020 update of the SS2018 manual.

Code 3

Ipsilateral will be added to Infraclavicular and Intramammary

Infraclavicular (subclavicular) (ipsilateral)

Intramammary (ipsilateral)

Code 7

The following will be added under Distant lymph nodes

Infraclavicular (subclavicular) (contralateral or bilateral)

Intramammary (contralateral or bilateral)

Based on the synoptic report findings, code cribriform carcinoma using Breast Solid Tumor Rule H12 which says to code the histology when only one histology is present. The histologic type describes one histology and does not describe the components of an NOS/NST with a subtype, in which case a different rule would apply.

The priority order for using documentation to identify histology gives equal weight to final diagnosis and synoptic report, secondary to addendum or comments. Use the more specific histology if either the final diagnosis or synoptic provides the additional information on the histology.

Based on the information provided, this is a single primary. The 2011 tumor was not completely removed and progressed over the years. MP/H Rule M3 for malignant brain cancer applies. Do not change the original histology code. Use text fields to document the later histologic type of anaplastic astrocytoma, WHO grade III.

Based on the information provided, this is a 2018 diagnosis. SEER has been asked to postpone implementing the instruction about using the date of the ambiguous cytology until 2019 or later. We will be removing that instruction from the draft 2018 SEER manual when it is finalized.

Based on the information provided, this case of adult granulosa cell tumor is malignant and reportable. According to our expert pathologist consultant, "though granulosa cell tumor NOS/ adult NOS is 8620/1, the presence of peritoneal implants or metastases, and/or lymph node metastases indicates the tumor is malignant, and it should be coded /3."

Note that the presence of implants or metastases does not indicate malignancy in the case of low malignant potential ovarian epithelial tumors. Our path expert explains "in contrast, by convention the behavior of borderline/LMP ovarian epithelial tumors is determined by the ovarian primary, and is /1, even though there may be peritoneal implants/metastases, or metastatic disease in lymph nodes. The treatment may vary in these circumstances, but to my knowledge the decision as to the tumor designation remains based on the primary tumor."

Based on the information provided, this case is not reportable. Low grade B-cell lymphoproliferative disorder is not reportable, nor is monoclonal gammopathy. There is no definitive diagnosis for marginal zone or lymphoplasmacytic lymphoma. The terminology used includes "question" and "versus" which are not acceptable ambiguous terms for reportability. If possible, follow up with the physician regarding the definitive diagnosis.

Based on the information provided, the primary site is liver. Submit the CS question to the CoC CAnswer Forum, http://cancerbulletin.facs.org/forums/content.php

Based on the information provided, code the tumor size as 035.  We asked an expert pathologist to review this question and she said to use the larger measurement.  She also said "the pathologist usually cuts the anus and rectum open like a tube; the “circumference” would be measured flat."

Based on the information provided, code the primary site to urachus (C677). Primary adenocarcinoma of the bladder accounts for less than 1% of all bladder malignancies. Of these, 20–39% are urachal in origin.