Study of the Decrease of Length of Stereotactic Body Radiation Therapy in Lung Cancer

Inclusion Criteria

• •Histologic or cytologic diagnosis of non small cell lung cancer stage IA-IB (T1N0M0 or T2aN0M0)
• •None histologic or cytologic diagnosis of non small cell lung cancer stage IA-IB (T1N0M0 or T2aN0M0) with evolutionary criteria (increase on two successive CT scan and pathological hyperfixation in the TEP scan)
• •Resectable tumor but patient unfit for surgical resection
• •Resectable tumor but patient refusing surgical resection
• •KPS \> 60%
• •Pulmonary functions: FEV \> 40% theoric value, PO2 ≥ 70mmHg, PCO2 \< 50mmHg
• •Patient who can hold appropriate immobilization in dorsal decubitus during approximately 30 minutes
• •Age 18 years or older
• •Not affected by a mental disease
• •Understanding and be informed of the investigational nature of this study and must give written consent prior to the receiving of treatment per this protocol
• •Inscription at the French Social Security