Application of a contralateral esophageal-sparing technique to reduce radiation esophagitis in limited-stage small cell lung cancer treated with twice-daily radiotherapy and concurrent chemotherapy.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: Identify all the mentioned drugs in the given text. Text may or may not contain drug. If they contain more than 1 drug, use ";" as delimiter and join them. ### Input: Application of a contralateral esophageal-sparing technique to reduce radiation esophagitis in limited-stage small cell lung cancer treated with twice-daily radiotherapy and concurrent chemotherapy. ### Output: 