Exam CPC topic 1 question 1 discussion

The documentation states:
He was then sterilely prepped and draped along the flank and abdomen in the usual sterile fashion. I first made a skin incision off the tip of the twelfth rib, extending medially along the banger’s lines of the skin. This was approximately 3.5 cm in length. Once this incision was carried sharply, electrocautery was used to gain access through the external oblique, internal oblique, and transverse abdominis musculature and fascia.
What surgical approach was used for this procedure?