
    insufficient accrual
  
['non-small cell lung cancer']
['concurrent platinum-based chemotherapy']

        Inclusion Criteria:

          -  Age 18 or older

          -  Willing to provide informed consent

          -  ECOG performance status 0-2

          -  Histologically confirmed non-small cell lung carcinoma

          -  Locally advanced Stage IIIA or IIIB lung carcinoma according to AJCC 7th edition

          -  History of at least 10-pack-years of smoking

          -  Not undergoing surgical resection

          -  Assessment by medical oncologist and radiation oncologist, with adequate bone marrow,
             hepatic and renal function for administration of platinum-based chemotherapy

        Exclusion Criteria:

          -  Contraindications to MRI

          -  Serious medical comorbidities (such as unstable angina, sepsis) or other
             contraindications to radiotherapy or chemotherapy

          -  Prior history of lung cancer within 5 years

          -  Prior thoracic radiation at any time

          -  Metastatic disease. Patients who present with oligometastatic disease where all
             metastases have been ablated (with surgery or radiotherapy) are candidates if they are
             receiving chemoradiotherapy to the thoracic disease with curative intent.

          -  Inability to attend full course of radiotherapy or follow-up visits

          -  Pregnant or lactating women
      