American College of Physicians

A non-profit association for cancer care administrators in the US. The College focuses on providing educational, funding, peer resources/networking support and…

A national medical society for obstetricians and gynecologists.

Diffuse (length greater than 2cm) or excessive tortuosity of proximal segment or extremely angulated segments greater than 90 degrees or total occlusions…

Tubular (10-20 mm length) or eccentric or moderate tortuosity of proximal segment or moderately angulated segment, 45-90 degrees or irregular contour or…

Discrete (less than 10 mm length) and concentric and readily accessible and non-angulated segment less than 45 degrees and smooth contour and…

A classification system for coronary stenosis based upon characteristics that influence the difficulty of percutaneous coronary revascularization.