This is a cross-section of a coronary artery with plaque buildup: "A" shows inserted deflated balloon catheter; balloon is inflated in "B"; "C" shows widened artery. Source: National Heart ...

Correspondence to Dr Maira Hameed, Academic Section of Vascular Surgery, Division of Surgery, Department of Surgery and Cancer, Imperial College London, Charing Cross Hospital, London SW7 2AZ ...