Any mommas on here heard of 'choroid plexus'? What is it? If you had it, were your babies okay? My…

Any mommas on here heard of 'choroid plexus'? What is it? If you had it, were your babies okay? My Dr mentioned that I had it but didn't seemed concerned at all. He just said we would monitor it but my next ultrasound isn't until 30 wks. I've read a little bit and most cases it disappears before the third trimester with no health complications. I would just like to hear some first hand experiences with it.