Aberrant right coronary artery in an elderly Nigerian with recent dyspnoea detected on coronary CT angiogram oleh Yahuza Mansur Adamu, MBBS, FWACS, Ahmad Bashir Umar, MBBS, FWACS, Abbas Rabiu Muhammad, MBBS, MSc, Muhammad Sani Mijinyawa, MBBS, FWACP, FRCP, Anas Ismail, MBBS, MD, FMCR