three patients with non-hodgkin 's lymphoma and hypercalcemia ( serum ca , 12.0 , 13.4 , and 13.0 mg/dl , respectively ) had increased serum calcitriol levels ( 56 , 72 , and 77 pg/ml , respectively ; normal , less than 50 pg/ml ) .
C0020437
hypercalcemia
C0006674
calcitriol