What Does The Following Angiography Result Indicate?

Dear Sir, My father underwent treatment for HYPERACUTE INFEROLATERAL MYOCARDIAL INFARCTION. His discharge summary is as followed: Complaint on admission: Acute chest pain and discomfort for last 90 mins. Signs on Admission: BP – 130/90MMHG: Pulse- 108/MIN Medical Summary: On diagnosed for HYPERACUTE INFEROLATERAL MYOCARDIAL INFARCTION on 13th Sept2010 , he was immediately thrombolysed with IV ELAXIM 40 MGM , he was treated with IV NTG, IV CLEXANE, IV PAN, IV EMESET, IV EFFCORLIN ETC, Post Thrombolysation he was HAEMODYNAMICALLY stable and RCG showed good reversal of ST-T changes and there was no ARRHYTHYMIAS. He was advised to undergo coronaryangiography. We did Angiography at Cumbala HILL Hospital & Heart Institute on 18th Sept10. Results of Angiography are: LMCA- NORMAL LAD – Shows Proximal 80% and Mid segment 90% stenosis. Distal LAD shows plaques. Ramus – Left Circumflex – Non dominant. A large OM shows 90% proximal stenosis. RCA – Large dominant vessel. Proximal 90% stenosis and PD has 90% stenosis. LIMA/RIMA- Normal RENALS- Normal Advice Given: Coronary artery bypass graft surgery. By Dr. Saurab Goel (MM.DM) Interventional Cardiologist.