Multiplicity Counter--Prostate: How is multiplicity counter to be coded for a clinically inapparent prostate cancer for which sextant needle biopsy cores on left and right sides are positive for adenocarcinoma? See Discussion.
Primary Site: How do you code the primary site when the tumor is identified in a bladder that was reconstructed using a stomach augmentation procedure and the pathology report states, "Bladder/prostate: adenocarcinoma arising within gastric mucosa, with the following features: highly infiltrative through the bladder wall"?
Primary Site--Head & Neck: What site code is used to represent the following head and neck primary where there is not a clear statement of primary site? See discussion.
Primary Site: What site code is used to classify a femur biopsy with pathologic diagnosis of "Ewing sarcoma/primitive neuroectodermal tumor (PNET)"? See discussion.
Primary Site: What code should be used to represent the site for an "extraovarian" papillary serous adenocarcinoma located in the "rectal muscle sheath"? See discussion.