plasma levels of calcium , phosphorus , immunoreactive calcitonin ( ict ) , immunoreactive parathyroid hormone ( ipth ) , and carcinoembryonic antigen ( cea ) were measured in patients affected by tumors of various organs : 22 breast , 41 lung , 23 kidney , 16 gastrointestinal tract , and 8 other types , ict plasma level was elevated in 53.6 % of patients with bronchogenic cancer , in 31.8 % with breast cancer , in 65.3 % with renal cancer , in 31.2 % with gastrointestinal cancer , and in 62.5 % with other tumors .
C0022646
kidney
C0740457
renal cancer