Date of Multiple Tumors--Breast: How is this field coded when a second breast tumor is found at mastectomy two months after the original breast cancer was diagnosed, but during initial workup and treatment? See Discussion.
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.
Surgery of Primary Site--Lymphoma/Soft Tissue: How is this field coded for an excision of a neck mass that found lymphoma in soft tissue (C49.0)? See Discussion.
CS Lymph Nodes/CS Site Specific Factor--Melanoma: When CS Lymph Nodes is coded 13, 14 or 15 (codes used when satellite nodule(s) or in-transit metastases are present), why must CS SSF 3 be coded 000 (No lymph node metastasis)? See Discussion.
CS Tumor Size/CS Site Specific Factor--Breast: When tumor size is unknown, but it is known that both in situ and invasive components are present, how should CS Tumor Size and SSF6 be coded? See Discussion.
Multiple primaries--Lymphoma: Should a second primary lymphoma be accessioned if the reporting hospital disagrees with the final diagnosis stated on a review of slides? See Discussion.
Multiple primaries--Hematopoietic, NOS: How many primaries should be coded when a patient has multiple occurrences of plasmacytoma followed by a diagnosis of multiple myeloma? See Discussion.
CS Lymph Nodes--Ovary: Are positive lymph nodes removed from "colon tissue" during a modified posterior pelvic debulking regional or distant? If regional, what is the appropriate CS LN code?
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