Serial CT scan images from patient with a partial response. Serial CT scan images from patient with a partial response. Scans demonstrate gradual resolution of sites of disease, including a lung mass, matted hilar lymph nodes, and one of the liver metastases. Although he was taken off study for treatment of an intercurrent small cell lung cancer, the patient remains alive and was without evidence of disease recurrence nearly 2 years after completion of this therapy. Red arrrows indicate areas of measurable disease. Rosalyn A. Juergens et al. Cancer Discovery 2011;1:598-607 ©2011 by American Association for Cancer Research