MP/H Rules/Multiple primaries--Lung: How many primaries are accessioned when the right lower lobe lung has two adenocarcinomas, both with lepidic pattern, if the tumor board staged these tumors as separate primaries? See Discussion.
Reportability--Heme & Lymphoid Neoplasm: What is the histology code if a myeloproliferative disorder is reportable should a physician suspect this diagnosis and treats the patient? See Discussion.
Ambiguous terminology/Reportability--Heme & Lymphoid Neoplasms: Is a physician diagnosis of "appears to be a myeloproliferative disorder" reportable if the patient has no treatment and the physician elects to follow the patient with CBC's?.
Primary site/Histology--Heme & Lymphoid Neoplasms: How are the primary site and histology coded when a right neck mass and spinal mass both show B-cell lymphoma, favor Burkitt lymphoma? See Discussion.
Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are accessioned when a patient is clinically stated to have Stage III follicular lymphoma following a diagnosis suspicious for B-cell lymphoma and is subsequently diagnosed with large B-cell lymphoma? See Discussion.