How Serious Is 10 Cm Mass Growth In Right Ovary?

Madam my wife had a recent tc scan and result shows a growth in her right ovary. It s nearly 10 cm mass. I need to know how serious is this and what is the treatment option for this. How it Gona affect her chances of getting pregnant as we don t hav a kid yet. Am attaching the scanned Picts of tc result here plz reply mam thankyou. Sent from my iPhone