The burn is still visible but it is much better than before.
The wound still stands out but it has definitely improved.
The burn still stands out but it looks better than it did before.
「傷はまだ目立ちますが、前より少しはマシになりました。」= The burn is still visible but it is much better than before. / The wound still stands out but it has definitely improved. / The burn still stands out but it looks better than it did before.
ボキャブラリー
burn = 火傷
wound = 傷
still visible = まだみえる、目立つ
much better than before = 前よりよくなった
stand out = 目立つ
definitely = 絶対に
improved = よくなった
looks better than before = 前よりも見た目がよくなった