Multiple Primaries (Pre-2007)/Histology (Pre-2007)--Brain and CNS: How many primaries should be abstracted and should the histology field(s) be coded to 9530/1 [Meningiomatosis, NOS] or 9530/0 [Meningioma, NOS] to represent a case that presents with MRI confirmed multiple meningiomas (e.g., left dura, right parasagittal region, and left frontal lobe)?
Chemotherapy: If a physician does not document the reason chemotherapy was given concurrently with radiation therapy, should it be assumed to have been used as a radiosensitizer or radioprotectant and then, per SEER chemotherapy coding instruction 2, ignore coding the chemo agent as treatment?
Primary Site--Unknown & ill-defined site: Should the primary site be coded to C809 [Unknown primary site] or C761 [Thorax, NOS] if the patient died following a limited work-up that included on a cytology on pericardial fluid that was positive for poor differentiated adenocarcinoma?
CS Extension--Lung: Do notes 6A and 6B in the 2004 SEER manual offer conflicting instruction for determining the significance of pleural effusion for this primary site? See Discussion.
Reportability: Is a "pleomorphic hyalinizing angiectatic tumor of soft parts (PHAT)" reportable if the case has a TNM stage assigned and is stated by the pathologist to be a rare intermediate grade sarcoma?
CS Lymph Nodes--Breast: Clarify the use of code 25 [Movable axillary lymph node(s), ipsilateral, positive with more than micrometastasis (i.e., at least one metastasis greater than 2 mm)] vs code 60 [Axillary/regional lymph node(s), NOS; Lymph nodes NOS] when surgically removed lymph nodes are positive but the size of the metastasis is not stated. See Discussion.
CS Site Specific Factor--Prostate: How are SSF 5 (Gleasons Primary and Secondary Pattern Value) and SSF 6 (Gleasons Score) coded when there is a higher Gleason's pattern in less than 5% of the tumor? See Discussion.
CS Site Specific Factor--Prostate: Can autopsy results also be used when coding SSF3, pathologic extension, given that the instructions only address the use of prostatectomy findings when coding this field?
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