1907P - Application of anti-PD1 drugs before or during thoracic radiotherapy increases the incidence of radiation pneumonia compared to the application after radiotherapy
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: 1907P - Application of anti-PD1 drugs before or during thoracic radiotherapy increases the incidence of radiation pneumonia compared to the application after radiotherapy ### Output: 