Grade, Differentiation--All Sites: Should we take the grade from a TNM staging form over a grade stated in a pathology report when the grade mentioned on the TNM staging form is a higher grade (e.g., Pathology report diagnosis is moderately differentiated adenocarcinoma, Gleason's 3+3=6, but the physician checked "poorly differentiated" on the TNM form)?
Grade, Differentiation--All Sites: If the grade given for the primary site is from a provisional diagnosis and the grade given for a metastatic site is from a final diagnosis, should we follow the SEER rule that says to code the grade as stated in the final diagnosis (e.g., Provisional diagnosis: High grade papillary serous carcinoma of ovary. Final dx: poorly differentiated adenocarcinoma in a caval lymph node)?
Grade, Differentiation--All Sites: Can "Fuhrman nuclear grade" be coded if it is the only grade given for a kidney primary, or is breast the only site for which we can use a nuclear grade in coding the Grade, Differentiation field? See discussion.
Flag: For cases diagnosed prior to 2001, how is the ICD-O-3 Conversion Flag set if the ICD-O-2 and ICD-O-3 histology and behavior fields are both directly coded, as registrars in this region are instructed to do when submitting late cases, and as a result no conversion is necessary? Is it to 0 [Morphology (Morph--Type&Behav ICD-O-3 originally coded in ICD-O-3)] or Blank [Not converted]?
First course treatment/Surgery of Primary Site--Anus: Would infrared coagulation be coded as treatment for AIN III of the anus/anal canal? See discussion.
First course treatment/Other therapy--Skin: How is PUVA [psoralen (P) and long-wave ultraviolet radiation (UVA)] coded when used for skin primaries such as melanoma and mycosis fungoides?
First course treatment/Other therapy--Heme & Lymphoid Neoplasms: Is a transfusion coded as first course treatment for multiple myeloma? See Discussion.
First course treatment/Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are to be accessioned and how is treatment coded when follicular lymphoma diagnosed in December 2009 is treated with CHOP and a subsequent December 2010 diagnosis of diffuse large B-cell lymphoma is treated with chemotherapy and a bone marrow transplant? See Discussion.
First course treatment/Histology--Lymphoma: What treatment, if any, is coded for a patient with methotrexate induced lymphoma when the treatment plan is to take the patient off methotrexate? Also, is there a specific histology for drug induced lymphoma? See Discussion.
First course treatment/Date therapy initiated--Breast: How is the Date of Initiation of Hormone Therapy field coded when a patient undergoes "Tamoxifen blunting" to achieve better MRI imaging after a biopsy but prior to definitive surgery which is followed by adjuvant Tamoxifen therapy? See Discussion.
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