Table 2. CT angiography findings of increase in the internal diameter of flap feeder vessels and opening of communicating vessels between PA, ATA, and PTA (and their branches) in flap limb when compared with normal limb.

	Peroneal artery	ATA	PTA	Lateral malleolar artery	Lateral plantar artery	Communicating vessel between PA and PTA
Case 1 (10th POD)	0.51	0.51	0.29	0.9	0.12	1.26 mm
Case 2 (1 mo)	0.3	0.37	1.4	0.9	0.12	1.94 mm
Case 3 (4 mo)	0.55	0.2	0.4		0.1

Abbreviations: ATA, anterior tibial artery; CT, computed tomography; PTA, posterior tibial artery; PA, peroneal artery; POD, postoperative day.