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Elective CTV
For cervical tumors:
supraclavicular, para esophageal, pretracheal and a-p fenestra
For proximal tumors:
supraclavicular, para esophageal, pretracheal and a-p fenestra,(- pre and
subcarinal)
For mid esophageal tumors:
para and pretracheal, a-p fenestra, pre and subcarinal and higher and lower
para esophageal