MKI67 and neoplasm: Patients in the group with Ki67 positive showed irregular tumor morphology, higher N stage, higher longest diameter, higher SUVmax, higher SUVmean, higher SD, and higher MTV than those of patients in the group with Ki67 negative (P = 0.003, P < 0.001, P = 0.012, P < 0.001, P < 0.001, P < 0.001, and P = 0.031, respectively) (Table 1).