Abdul-rahman et al. performed a hierarchical analysis of the Affymetrix U133 Microarray data and the TCGA data set for breast cancer and found that, as compared with ER+ patients, the expression of Linc00673 in ER- patients was higher, while the high expression of LINC00673 in ER- patients was associated with adverse outcomes 21. This evidence concerns the gene LINC00511 and breast cancer.