Jason Wallen, MD (photo by Jim Howe) Jason Wallen, MD (photo by Jim Howe) Eighty percent of the lung cancers discovered through screening are early stage and mostly curable. But for a variety of reasons, only about 2% of the people eligible for lung cancer screening actually undergo a test. Eighty percent of the lung cancers discovered through screening are early stage and mostly curable. But for a variety of reasons, only about 2% of the people eligible for lung cancer screening actually undergo a test. Jason Wallen, MD Jason Wallen, MD, explains what's important to know about lung cancer screening. A thoracic surgeon, Wallen is the division chief of thoracic surgery at Upstate and the medical director of the Thoracic Oncology Program, which is marking its 20th year. For more information about Upstate's lung cancer screening program,, explains what's important to know about lung cancer screening. A thoracic surgeon, Wallen is the division chief of thoracic surgery at Upstate and the medical director of the Thoracic Oncology Program, which is marking its 20th year. For more information about Upstate's lung cancer screening program, click here click here or call 315-464-7460. or call 315-464-7460.