BACKGROUND Central nervous system(CNS) metastases are a catastrophic complication of nonsmall cell lung cancer(NSCLC), including brain and leptomeningeal carcin
BACKGROUND As a radical treatment,breast cancer surgery has a positive psychological impact on most patients.However,some patients do not have a clear understan
BACKGROUND Pseudohypoparathyroidism type Ia(PHP Ia) is a rare hereditary syndrome, and patients with early PHP Ia are generally not diagnosed based on the prese