PRL and neoplasm: In 61 patients treated with DA monotherapy, the median serum PRL level decreased from 6274 μg/L (IQR 4013-11 557) at diagnosis to 8 μg/L (IQR 4–52) at the last follow-up (P < .001) and the median maximum tumor diameter decreased from 45 mm (IQR 41-52) to 16 mm (IQR 2-37) (P < .001).