POMC and neoplasm: The endocrine panel showed a median ACTH of 11.89 pg/mL; suppressed ACTH (baseline value < 10 pg/mL) was found in 39.39% of the entire group, MACS was found in 30.95% of the entire cohort, and the largest tumour diameter had a mean value of 2.25 ± 0.99 cm (Table 3).