Inclusion Criteria:

- limited stage small cell lung cancer

- adequate pulmonary function test (FEV1 >1.0 L, DLCO >50%)

- signed study consent

- age at least 18 years

- Karnofsky performance status as least 70%

- eligible to receive standard concurrent small cell cancer chemotherapy

Exclusion Criteria:

- extensive stage disease

- mixed non small cell and small cell histology

- inadequate pulmonary function tests

- not eligible for concurrent chemotherapy

- subtotal or total tumor resection

- previous chest/neck radiotherapy

- prior or concurrent malignancy except non-melanomatous skin unless disease free for
last 5 years

- pregnant

- prior chemotherapy for another malignancy

- patients with myocardial infarction within the preceding 6 months of symptomatic
heart disease, including, angina, congestive heart failure, uncontrolled arrhythmias