Primary site--Bladder/Unknown & ill-defined sites: Should the coding of primary site be based on a molecular study when it is not verified by a clinical correlation? See Discussion.
Primary Site (Pre-2007)--Prostate/Prostatic Urethra: What code is used to represent primary site for an "adenocarcinoma with spindle cell differentiation" of the prostatic urethra?
Place of Birth: When there is conflicting information, which record takes precedence in coding this field, the medical record or the death certificate?
P/H Rules/Multiple Primaries--Lung/Breast: Can we assume that a current tissue specimen is a recurrence of previous primary if a pathologist states that he has compared the current specimen with the slides from the prior tumor and concludes that the current tumor is "similar" to a previous tumor? See Discussion.
Other Therapy: Can herbal therapy be coded when used as a single therapy or when used in combination with conventional therapy as a complimentary treatment? See Discussion.
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