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.
Multiple Primaries--Lymphoma: How many primaries should be abstracted if DLBCL (9680/3) and Mantle Cell Lymphoma (9673/3) occur at the same time in different lymph nodes? How would Sequence be coded if the case is multiple primaries?
MP/H Rules/Multiple primaries--Breast: How many primaries should be reported when an in situ diagnosis is followed by an invasive diagnosis in the same breast 1.5 years later? See Discussion.
CS Site Specific Factor--Prostate: Please clarify how SEER registries should use code 040 for Site-Specific Factor 3 on prostate cases. See Discussion.