1 EXHIBIT 23.1 STEGMAN & COMPANY 405 East Joppa Road Suite 200 Baltimore, MD 21286 CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANT We consent to the incorporation by reference in this Registration Statement on Form S-3 pertaining to Celsion Corporation of our report dated October 20, 2000 with respect to the financial statements of Celsion Corporation included in its Annual Report on Form 10-K for the year ended September 30, 2000 filed with the Securities and Exchange Commission. /s/ Stegman & Company Baltimore, Maryland June 20, 2001