HLA-DRB1 and hypercalcemia disease: Data on sex, age, chest x-ray according to Scadding, s-ACE, EPM, HLA-DRB1 alleles, bronchoalveolar lavage fluid (BALF) macrophages (concentration x106/L, and percentage of total number of cells) and which month hypercalcemia developed for the first time, were retrieved from the local register and medical records.