MP/H Rules/Multiple Primaries--Lung: How do we apply the MP/H rules if a pathologist states a patient has multiple reportable primaries after he compares an October 2006 RLL lung specimen with a March 2009 RML lung specimen? See Discussion.
Multiple Primaries--Urinary: How many primaries should be coded for an 8/9/07 invasive transitional cell carcinoma of right ureter; 7/9/08 non-invasive urothelial carcinoma of bladder; 11/18/08 non-invasive urothelial carcinoma of left ureter; 6/20/09 invasive urothelial carcinoma of left ureter?
Multiple Primaries--Hematopoietic: How many primaries and which histologies should be reported for a case presenting with a 2005 diagnosis of CLL/SLL, 2006 clinical diagnosis of MDS and a 2008 diagnosis of AML? See Discussion.
MP/H Rules/Histology--Esophagus: How is histology coded for a biopsy of the esophagus with a pathologic diagnosis of "adenocarcinoma, intestinal type" when there is no evidence of a gastric tumor in scans or EDG? See Discussion.
Reportability/Ambiguous Terminology--Prostate: Is a prostate biopsy that states "highly suspicious for, but not diagnostic of adenocarcinoma, suggest another biopsy" reportable?
MP/H Rules/Histology--Thyroid: How should histology be coded for a diagnosis of "papillary sclerosing carcinoma" with an additional description of the tumor being "nonencapsulated"? See Discussion.
CS Reg LN Pos/Exam--Melanoma: How should these fields be coded for a case that is an unknown primary site melanoma with liver involvement and a positive axillary lymph node?
MP/H Rules/Histology--Melanoma: How is histology coded for a "melanoma in situ, lentiginous type," arising in the skin of the lower leg? See Discussion.
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