Cancer Disease Coding and Staging - AHIMA

involvement including the lung and liver. Most likely represents diffuse metastatic disease. C80.9 (ICD-O-3 presentation. An exact primary site was not able to be determined.) 8. Retrogastric tissues involved with cancer C76.2 (Rule B) 9. Cancer in the area of the mediastinum C76.1 (Rule B) … ................
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