Treatment (Set 1)
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(Reference: SEER Program Coding and Staging Manual 2004 (PDF), pgs 169-201 and Appendix C for Surgery of Primary Site codes; FORDS Manual (PDF), pgs 129-191 and Appendix B for Surgery of Primary Site codes.)
Code: 08/14/XX
The first cancer-directed therapy (treatment given in an attempt to destroy or modify cancer tissue) was surgery
Code: 30
Biopsy of primary tumor followed by a gross excision of the lesion (does not have to be done under the same anesthesia). If the procedure is stated to be a wide excision or reexcision, but the margins are unknown, code to 30. If the excision does not have microscopically negative margins greater than 1 cm, use the appropriate code 20-36.
Code the most extensive surgery if the patient has multiple surgical procedures of the primary site.
Code: 2
Sentinel lymph node biopsy
Code: 0
Surgery of the primary site was performed. (Excision of right lower back lesion)
