RT Book, Section A1 Brainson, Christine Fillmore A2 Kloecker, Goetz A2 Arnold, Susanne M. A2 Fraig, Mostafa M. A2 Perez, Cesar A. SR Print(0) ID 1176019293 T1 The Cancer Stem Cell Hypothesis of Lung Cancer T2 Lung Cancer: Standards of Care YR 2021 FD 2021 PB McGraw-Hill PP New York, NY SN 9781260136203 LK hemonc.mhmedical.com/content.aspx?aid=1176019293 RD 2024/03/28 AB A 50-year-old heavy smoker was treated for small cell lung cancer, limited stage, with chemotherapy and radiation. The bulky tumor in his chest was no longer seen after the treatment, and he was told he had a complete response.Two months following the treatment, the cancer recurred and was resistant to any further systemic therapy.He asks during his last clinic visit before going to hospice, “How did the cancer come back so quickly, and why was it not cured when I had a complete response?”