The simple and straightforward answer is yes
and are visible while nude.
Depending on large the breasts are and how much the sag the scars can be limited to the:
- Periareolar: around the nipple only(doughnut)
- Periareolar and Vertical (lollipop)
- Periareolar , Vertical and fold (inverted T or anchor)
However theses are all hidden scars not seen while wearing a bathing suit, bra, backless top or a wet t-shirt.
With modern techniques of suturing, scar modulation (Embrace and silicone gel strips application), postoperative laser treatments and injections the scar quality can be improved and the scar visibility reduces