Pilot Study of a Novel Type of CT Scan to Assess Treatment Response During Chemoradiotherapy for Stage III Non-Small Cell Lung Cancer

Inclusion Criteria

• •Patients aged greater than 18 years with a diagnosis of stage III non-small cell lung cancer.
• •Planned treatment with either definitive chemoradiotherapy or preoperative chemoradiotherapy followed by surgical resection.
• •PET-CT study within 4 weeks of next available DECT study.
• •Patients must have measurable primary and nodal disease, defined by at least one lesion (primary and lymph node) greater than 1 cm.
• •Kidney function sufficient to tolerate iodine-based CT contrast.
• •No allergy to iodine-based contrast.
• •Ability to understand and the willingness to sign informed consent.