Operator Good morning, and welcome to the ImmunoGen's First Quarter of 2021 Financial and Operating Results Conference Call. Today's conference is being recorded. At this time, I'd like to turn the call over to Courtney O'Konek, Senior Director of Corporate Communications and Investor Relations. Ma'am, please go ahead. Courtney O'Konek -- Senior Director of Corporate Communications and Investor Relations Good morning, and thank you for joining today's call. Earlier today, we issued a press release that includes a summary of our recent progress in first quarter 2021 financial results. This press release and a recording of this call can be found under the Investors & Media section of our website at immunogen.com.