Human kidney disease spectrum (renal carcinoma progression) tissue microarray, containing 26 cases of clear cell carcinoma, 10 transitional cell carcinoma, 8 papillary carcinoma, 7 squamous cell carcinoma, 2 collecting duct carcinoma, 2 undifferentiated carcinoma, 5 each of metastatic carcinoma, inflammation, adjacent tissue, adjacent normal tissue and normal tissue, single core per case.