CS Extension/Ambiguous terminology--Pancreas: Should an exception be made for "abuts" or "encased/encasing" regarding CS pancreas extension? See Discussion.
CS Tumor Size--Lung/Breast: Explain why the SEER instructions differ from the CS Manual regarding priority order of sources to code tumor size? See Discussion.
CS Lymph Nodes--Prostate: How is this field coded when no scan, scope or surgical evaluation of regional lymph nodes is performed for a case with localized disease in the primary site? See Discussion.
CS Eval--Colon: Should 1 [No surgical resection done...] or 3 [Surgical resection performed...] be used to correctly reflect this field when a surgical observation is "adherent to duodenum" but the extension per the pathology is stated to be to the "subserosal tissue"? See Discussion.
CS Reg LN Pos/Exam--Colon: For a patient with both a prostate and colon primary, if the pathology report indicates that 2 of the 3 regional lymph nodes to the colon are positive for a prostate malignancy, how should these fields be coded for the colon primary?
CS Site Specific Factor 4--Prostate: If PAP is not mentioned in the chart, should Site Specific Factor 4 be coded to 999 [unknown or no information] or 000 [test not done]?