“…Among these mechanisms are inadequate alignment of the incisions between the CPA and LA, causing shrinkage in the anastomosis, which leads to distortion of PV [16]. Also, some authors attribute the need for reoperation stenosis and intimal hyperplasia with proliferation of thickened inflammatory tissue [17]. In our study, we observed that in some patients, there was a decline of PV caliber, and the LIPV was clearly the most affected.…”