A Prospective Multicenter Trial Of The Cryoballoon Ablation System For Superficial Esophageal Squamous Cell Carcinoma On The Post-Endoscopic Resection Scar. (Cryo-Scar Study, Epoc1902)
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: A Prospective Multicenter Trial Of The Cryoballoon Ablation System For Superficial Esophageal Squamous Cell Carcinoma On The Post-Endoscopic Resection Scar. (Cryo-Scar Study, Epoc1902) ### Output: 