Cancer Disease Coding and Staging - AHIMA

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) 10. Large tumor involving the lateral and posterior wall of the bladder C67.8 (Rule C) 11. ................
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