Estimate the medical service of a system of navigation (IMACTIS-CT®)in terms of SAFETY, EFFICIENCY and PERFORMANCE, in comparison with the reference method during gestures of interventional radiology under scan in the thoraco-abdominal level.

Inclusion Criteria:

• More or equal the 18 years old
• Patient for whom an indication of diagnostic or therapeutic percutaneous interventional gesture in the thoraco-abdominal level under CT guidance is prescribed
• Patient affiliated to social security or similarly regime
• Patient signed consent for participation in the study.

Exclusion Criteria:

• Patient with a medical device using a magnetic field (eg, patient with a pacemaker)
• Patient who presents ferromagnetic foreign bodies intracorporeal close to the working zone of Radiologist, and that can interact with the medical device
• Pregnant women and lactating mothers
• Ward of court or under guardianship
• Person deprived of freedom by judicial or administrative decision
• Person under legal protection