*Patients were classified into four groups according to their intratumoral α-SMA density and MVD: group I (n = 68), both low density; group II (n = 84), high α-SMA density and low MVD; group III (n =
n: number of patients.PFS: progression-free survival.LC: local control.NPFS: nodal progression-free survival.DMFS: distant metastasis-free survival.SUVmaximum: maximum standardized uptake value.AJCC: