The amplification of JUNB was associated with a worse outcome in ovarian cancer patients, while the gene MSLN, prevalent in C3 FN1+ TCs, was previously thought to have a role in the peritoneal dissemination of ovarian TCs (Hilliard, 2018; Perez-Benavente et al., 2022) (Figure 3F). Here, FN1 is linked to ovarian cancer.