Figure 1From: Quantitative analysis of tumor shrinkage due to chemotherapy and its implication for radiation treatment planning in limited-stage small-cell lung cancerRelative reduction in gross target volume (GTV) and planning target volume (PTV) after induction chemotherapy in group1 (n = 10) and in group 2 (n = 10). For the 2 patients with a complete response, the changes of GTV were recorded as 100%.Back to article page