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What is Best investigation of planning radiotherapy for carcinoma of esophagus? and explain in detail?
Ans. is'a'i.e., PETPrior to radiotherapy, the extent of tumor and its spread is assessed to target t}re area for radiotherapy.CT scan, endoscopic USG and FDG-PET are used for esophageal carcinoma, bt for accurate radiotherapy planning PET scan is far superior to CT or endoscopic USG.