Conformis, Inc. provided revenue guidance for the fourth quarter and full year ended December 31, 2019. For the quarter, the company's total revenue of approximately $19.9 million, down 10% year-over-year on a reported basis and 9% on a constant currency basis. Product revenue of approximately $19.7 million, down 10% year-over-year on a reported and constant currency basis. U.S. product revenue of approximately $17.2 million, down 11% year-over-year on a reported basis. Rest of world product revenue of approximately $2.5 million, up 0.5% year-over-year on a reported basis and 4% on a constant currency basis. For the full year, total revenue of approximately $77.4 million was down 2% year-over-year on a reported and constant currency basis, excluding a one-time royalty settlement of $10.5 million in 2018. Product revenue of approximately $76.6 million, down 3% year-over-year on a reported basis and 2% on a constant currency basis. U.S. product revenue of approximately $67.2 million, down 1% year-over-year. Rest of world product revenue of approximately $9.5 million, down 10% year-over-year on a reported basis and 6% on a constant currency basis. The company expected product revenue growth for 2020 to be in the range of 3%–6%.