Multiple primaries/Primary site--Heme & Lymphoid Neoplasms: What are the primary sites and how many primaries are abstracted, when 2004 diagnosis of grade 2 follicular lymphoma of the bilateral breasts is subsequently diagnosed with a 2010 diagnosis of diffuse large B-cell lymphoma (40%) and grade 3a follicular lymphoma (60%) of a left arm nodule? See Discussion.
Reportability/Behavior: Is a "minimally invasive thymoma" a reportable malignancy if the pathology report does not specifically state it is malignant? See Discussion.
Primary site--Heme & Lymphoid Neoplasms: What primary site is coded for the 2010 cervical lymph node excision diagnosis of composite lymphoma that followed a 2002 history of follicular lymphoma involving lymph nodes and organs on both sides of the diaphragm? See Discussion.
Primary site--Heme & Lymphoid Neoplasms: How is the primary site coded when both a lymph node biopsy and peripheral blood are positive for CLL/SLL? See Discussion.
Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are to be abstracted when a right parotid mass shows "MALT Lymphoma with transformation to Diffuse Large B-cell Lymphoma" but the patient has no known history of MALT lymphoma?
Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are accessioned if patient initially diagnosed with granulocytic sarcoma on a vocal cord biopsy is subsequently diagnosed with acute myeloid leukemia more than 21 days later? See Discussion.
MP/H Rules/Histology--Thyroid: How many primaries and what histology(ies) are coded when the pathology report shows a, 1.9 cm Hurthle cell carcinoma, probable follicular variant of papillary carcinoma, with Hurthle cell features and a 2 mm focus of follicular variant, papillary carcinoma? See Discussion.
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