Lister returned to experimenting with carbolic acid, expanding treatment to include lacerated and contused wounds. In one instance, he removed a large tumor from a man’s arm. It was situated so deeply that Lister believed the wound would have suppurated had it not been for the employment of his antiseptic system. The man escaped with both his life and his arm when he left the hospital a few weeks later. The implications of his methods began to dawn on Lister as each year provided more proof that they worked. “I now perform an operation for the removal of a tumour, etc., with a totally
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