In this pilot study the investigators propose the intraoperative use of a high-resolution PET-CT imaging system which can assess resection margins and lymph node status in the operating room. This will allow for a faster and stepwise assessment (estimated to be under 10 minutes per specimen), enabling the surgeon to decide on subsequent surgical steps after each previous assessment.

Inclusion Criteria:

• Patient is 18 years of age or older.
• Patient with suspected or confirmed lung malignancies
• Patient is indicated to undergo thoracic surgery.
• Patient is estimated to be compliant for study participation by the investigator.
• Patient has freely given his/her informed consent to participate in this study.

Exclusion Criteria:

• Patient has general or local contra-indications for thoracic surgery.
• Patient has active infection.
• Blood glucose level over 200 mg/dL on the day of surgery.
• Pregnancy or lactation.
• Patient participated in other clinical studies with radiation exposure of more than 1 mSv in the past year