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Fig. 4 | BMC Cancer

Fig. 4

From: Salvage chemoradiation therapy for recurrence after radical surgery or palliative surgery in esophageal cancer patients: a prospective, multicenter clinical trial protocol

Fig. 4

Examples of target volumes delineated in involved field irradiation (IFI) pattern are shown based on the planning computed tomography (CT) scans. a Lesions which were > 5 cm and far from the thoracic stomach recurred in Station 7, 8 M/L and 15–17. The IFI field includes Station partial 4R/L, 7, 8 U/M, and 15–17. b Lesions adjacent to the thoracic stomach recurred in Station 2R and palliative CRT was performed because of its time-to-recurrence > 16 months. The IFI field only includes peritumor regions. Pink outlines GTV-N, Red outlines GTV-T, blue outlines CTV, and green outlines PTV

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BMC Cancer

ISSN: 1471-2407

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