A 5/0 polypropylene traction suture (Prolene; Ethicon, Dilbeek, Belgium) was placed at the anterolateral edge of the diaphragm prior to standardized resection of 2.0 x 1.0 cm of the lateral tendomuscular part of the diaphragm, approximating ⅓ to ½ of the diaphragm.
Source: wiktionary