For example, according to the TIMER algorithm, CD8+ T-cell infiltration in BLCA, BRCA-LumA, CESC, PRAD and TGCT cancers was positively correlated with ABCA1 expression, whereas according to the CIBERSORT algorithm T-cell infiltration in all cancers was negatively correlated or not correlated with ABCA1 expression. The gene discussed is ABCA1; the disease is cancer.