TUG1 and renal cell carcinoma: Still, further stratified analysis indicated that elevated TUG1 exhibited a favorable prognostic value for NSCLC (HR = 0.45, 95% CI: 0.35-0.58, p < 0.001) and an unfavorable prognostic value for RCC (HR = 1.61, 95% CI: 1.00-2.61, p = 0.046).