Table 1: Patient characteristics.

CaseAge (y)/sexHistologyPSSmoking statusEGFR mutation Viral hepatitis B/CAlcoholic liver injuryLiver metastasisPretreatment before gefitinib

150/FAd2smokerpositive−/−
251/FAd1smokerpositive−/−+
361/MAd2nonpositive−/−+
464/FAd3smokerpositive−/−
564/FAd1smokerunknown−/−+
666/FAd2nonpositive−/−+
772/MAd3smokerunknown−/−
876/FAd0nonpositive−/−+

Abbreviations: Ad: adenocarcinoma; EGFR: epidermal growth factor receptor; PS: performance status.