PIWIL4 and ovarian cancer: For the two ovarian cancer samples, dpCNV gets 225 cytobands and 128 cytobands, 285 genes and 529 genes overlapped with the COSMIC database, respectively, in which there are many important tumor driver genes corresponding to ovarian cancer, such as PUM1 (Guan et al., 2018), GOLPH3L (Feng et al., 2015), PIWIL4 (Guo et al., 2009), and KNDC1 (Yu et al., 2020).