Inclusion Criteria:

1. Adult patients over 18 years of age

2. Patients presenting with a lung or pleural nodule or mass presumed to be resectable
on pre-operative assessment

3. Good operative candidate

4. Subject capable of giving informed consent and participating in the process of
consent.

Exclusion Criteria:

1. Pregnant women as determined by urinary or serum beta human chorionic gonadotropin
(hCG) within 72 hours of surgery

2. Patients with a history of anaphylactic reactions to Folate-FITC or insects

3. At-risk patient populations

1. Homeless patients

2. Patients with drug or alcohol dependence

3. Children and neonates

4. Patients unable to participate in the consent process