Stage

Primary Treatment

Adjuvant therapy

Five-year survival rate (%)

Non-small cell carcinoma

I

Resection

Chemotherapy

60 to 70

II

Resection

Chemotherapy with or without radiotherapy

40 to 50

IIIA-Resectable

Resection with or without preoperative chemotherapy

Chemotherapy with or without radiotherapy

15 to 30

IIIA-Unresectable

Chemotherapy with concurrent or subsequent radiotherapy

None

10 to 20

IIIB-Pleural effusion

Chemotherapy with concurrent or subsequent radiotherapy

None

10 to 15

Small cell carcinoma

Limited disease

Chemotherapy with concurrent radiotherapy

None

15 to 25

Extensive disease

Chemotherapy

None

<5