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MP/H Rules/Reportability/Diagnostic Confirmation--Colon: Please clarify how to code diagnostic confirmation when there is no mention of a malignant polyp in the pathology report of a familial polyposis case given this statement: "Even if you have only one malignant polyp it is a single primary if there is a diagnosis of FAP. Even if there is no mention of a malignant polyp, if there is a diagnosis of FAP you will use this rule."

MP/H Rules: Regarding rules for Renal Pelvis, ureters, bladder & urethra - Please clarify Rule M8. Rule M8 references Table 1, but table 1 is a table of histologies not primary sites, Rule M8 also seems to contradict Table 2 and Rule M10. Does it matter where the first primary is, ie bladder then urethra or bladder then renal pelvis?

MP/H--Bladder: Are 8130 and rule H12 correct for this case? Bladder with papillary urothelial carcinoma with squamous cell differentiation.

MP/H/Histology--Breast: What MP/H Rule, histology, and behavior code for a breast primary apply to the following?

2 foci DCIS, solid, high grade (Grade 3) w/microca++

MP/H/Histology--Kidney, renal pelvis: What is the histology code for renal cell carcinoma translocation type?

MP/H/Histology--Lung: What is the histology code for "heterologous biphasic sarcomatoid carcinoma of the lung with prominent rhabdomyoblastic and adenoca differentiation"?

MP/H/Histology--Lung: Would you code a lung primary of "non-small cell carcinoma with neuroendocrine differentiation" to non-small cell carcinoma (8046/3) or carcinoma with neuroendocrine differentiation (8574/3)? See discussion.

MP/H/Histology--Pituitary: Would you code Crooke cell adenoma as 8272/0 pituitary adenoma?

MP/H/Histology--Sarcoma:  How should Ewing Sarcoma/primitive neuroectodermal tumor (PNET) be coded for a 2012 case?  See Discussion.

MP/H/Histology--Thyroid:  What is the histology code for primary site of thyroid cancer with the histology of papillary thyroid carcinoma, classical and oncocytic type?