Inclusion Criteria

Inclusion criteria :

1. Patients over 18 years

2. Histological diagnosis of non-small cell lung tumor established.

3. Stage 1A tumors (lesions <= 3 cm, N0) report prepared by PET and CT

4. Surgical treatment of the lesion contrindiqué or refused by the patient,

5. ARF considered technically feasible after discussing the case in a multidisciplinary
meeting (RCP)

6. Expectancy greater than 6 months life

7. PET before inclusion (8 weeks maximum before radiofrequency) showing uptake (SUV> =
2.5) at the lesion to be treated,

8. Signed informed consent,

9. Patient affiliated to a social security scheme.

Exclusion criteria :

1. Location of the lesion does not allow achieving ablathermy under satisfactory
conditions: lesion contiguous to the major anatomical structures of the mediastinum,
hilar location (less than 1 cm from the hilum)

2. Disorder of uncontrolled bleeding (TP <50% TCA> 1.5 x control).

3. Abnormal blood count platelets <90000/mm3

4. Cons-indication to general anesthesia

5. Patient with a cardiac pacemaker if a review indicates treatment against ARF

6. pregnancy

7. Patient included in another clinical study

8. Unable to undergo medical monitoring test for geographical, social or psychological
reasons,

9. Private patient freedom and major subject of a measure of legal protection or unable
to consent.