- After completion of the planned treatment course or if treatment was stopped because of toxicity, patients will undergo imaging evaluations and PRO measurements every 8 weeks (or 2 months) for one year, then every 3 months for the next year, then every 4 months for the next year and then every 6 months while the patient remains on the protocol. Patients off treatment because of disease progression will not undergo future imaging or PRO assessments on this protocol.