CYP1A1 and non-small cell lung carcinoma: In NSCLC patients, there was a significant difference between the SOD levels of GSTT1 wild (+/+) vs null (−/−); GPx activities between CYP1A1 m1 T/T vs T/C and T/T vs C/C; CYP1A1 m2 A/A vs A/G and A/A vs G/G genotypes and GSTT1 wild vs null genotypes.