The Efficacy Of Anti-Egfr Therapy For Ras Mutant Metastatic Colorectal Cancer (Mcrc) Patients With Ras Mutation Negative In Circulating-Tumor Dna (Ctdna) After 1St- Or 2Nd-Line 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: The Efficacy Of Anti-Egfr Therapy For Ras Mutant Metastatic Colorectal Cancer (Mcrc) Patients With Ras Mutation Negative In Circulating-Tumor Dna (Ctdna) After 1St- Or 2Nd-Line Chemotherapy ### Output: 