Site & Histology Exercise
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Site Code: C22.0
CT scan, operative findings and pathology report indicate the primary site as R lobe of the liver.
Histology Code: 8170/33
Path reports state hepatocellular carcinoma. Grade =3. Code the highest histologic grade from the primary site, focal grade 3 of 4 from the partial resection specimen. Reference: SEER Program Coding and Staging Manual 2004, pg. 92.