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Figure 1 | Radiation Oncology

Figure 1

From: Phase II study of helical tomotherapy in the multidisciplinary treatment of oligometastatic colorectal cancer

Figure 1

Complete metabolic response displayed in a colorectal cancer patient with a solitary lung metastasis. (A) Pre-treatment 18 F-fluorodeoxyglucose (FDG)-positron emission computed tomography (PET-CT) of a metastatic colorectal cancer patient with a solitary metabolic active lungmetastasis. (B) Planning CT with superimposed radiation dose distribution. (C) Complete metabolic remission on PET-CT scan 3 months after initiation of radiotherapy. (D) PET-CT performed 6 months after completion of radiotherapy shows no evidence of progressive disease, but note the occurrence of an asymptomatic radiation induced pneumonitis around the irradiated metastasis (white arrow).

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