Chemotherapy/Radiation Therapy--Lymphoma: How is treatment coded when Rituxan is given in combination with the monoclonal antibody Zevalin conjugated to 90-Yttrium or the monoclonal antibody Bexxar conjugated to 131-Iodine in the treatment of NHL?
First Course of Therapy/Hormone Therapy--Meningioma: Should Sandostatin be coded as treatment for a Grade 1 meningioma? Patient had surgery and was somatostatin receptor 2 (SSTR2) positive by immunohistochemistry.
Summary Stage 2018--Ovary: What is the summary stage for an ovarian primary in 2024, in which the ovary capsule was ruptured with surgical spill? See Discussion.
Primary Site/Behavior Code/EOD-Extension: How would these fields be coded for "squamous cell carcinoma in situ involving papilloma -- locally aggressive but not technically invasive" found in the sphenoid sinus, soft tissue of the skull base and brain? See Description.
Primary Site--Soft Tissue: How is the primary site coded for a PNET found in the groin when the Tumor Board states the primary is unknown but the SEER site/histology validation table does not allow a site of C809 or C76x to be coded in combination with the histology of 9473/3?
Histology--Penis: What is the histology code of a glans penis primary with the final diagnosis squamous cell carcinoma, verrucous type? See Discussion.
Summary Stage 2000--Colon: How should this field be coded for involvement of "pericolonic fat, NOS" when there is no mention of whether the fat is sub-serosal or supra-serosal? See Description.
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