STK11 and ovarian carcinoma: To characterize LKB1 genetic alteration in ovarian cancer, we analyzed a TCGA ovarian serous cystadenocarcinoma dataset (N = 182) and identified homozygous and heterozygous gene deletions in 4.4% (N = 8) and 85.2% (N = 155) of samples, respectively (Figure 4A).