TAS-102 in Previously Treated Unresectable or Metastatic Squamous Cell Lung Carcinoma (UF-STO-LUNG-003)

"Days 1 through 5: TAS-102 (35 mg/m2/dose) orally 2 times daily with the first dose administered in the morning of Day 1 of each cycle and the last dose administered in the evening of Day 5. TAS-102 is to be taken within 1 hour of completion of morning and evening meals.~Days 6 through 7: Rest~Days 8 through 12: TAS-102 (35 mg/m2/dose) orally 2 times daily with the first dose administered in the morning of Day 8 of each cycle and the last dose administered in the evening of Day 12.~Days 13 through 28: Rest"