MKI67 and neoplasm: However, [68Ga]Ga-DATA5m.SA.FAPi-positive tumor fraction (FAPiTF) demonstrated a strong positive correlation with Ki-67 (rho = 0.770, p < 0.01) followed by FDGTF (rho = 0.524, p < 0.05) while DOTATOCTF showed a strong negative correlation (rho = −0.828, p < 0.01).