Happy Holidays! Time for a new Guess the X-ray Image Challenge. Last month we had a fluorescent light bulb, which nobody identified correctly. Good luck on this month's challenge as you enjoy company with family and friends. This month’s image is below. Please leave your guesses below or

[caption id="attachment_4709" align="alignleft" width="99"] Jussi Perkiö, Director, Service Development and Medical Technology, PhD, Hospital Physicist, Suomen Terveystalo Ltd.[/caption] The goal of mammography screening is to reduce breast cancer mortality rates by detecting the cancer early enough for efficient treatment to be possible. In Finland, the mortality