APOD and breast cancer: In addition, elevated apoDproduction is detected in liver tumors resected from hepatocellular carcinoma [19], aswell as in invasive carcinoma of the breast [20,21].Elevated apoD levels are present in cystfluids of women with gross cystic disease of the breast [12].Furthermore, increased apoD levels are also detected in the breast nippleaspirate fluid in women with breast cancer, but nipple fluid apoD levels do notseem to correlate with the stage of the breast cancer disease [22].