preferred_name: Renal cell carcinoma (clear cell, papillary, or unclassified)
preferred_name_lc: renal cell carcinoma (clear cell, papillary, or unclassified)
label: Renal cell carcinoma (clear cell, papillary, or unclassified)
label_lc: renal cell carcinoma (clear cell, papillary, or unclassified)