Tummy Tuck Scar revision: kenalog, micro-needling, laser? What is the best recommendation? (photo)

It's been almost 3 years since my tummy tuck. I used the silicone sheets per my PS but didn't do the trick. I was then referred to a dermatologist who said it was a hypertrophic scar. There's also scars where the drains were left for 2 weeks. She first tried cortisone shots: painful and didn't see any improvement. Then micro-needling. It's been 2 months since my first session and I have not seen an improvement either. Keep trying? Other recommendations?