What Does The Following Angiography Report Suggest?

My Father is of 63 years age and he had Diabetes and BP but in control. Around 4 years back he get paralyses stroke but he got recovered well. Recently he get a chest pain twice and Dr did angiography. Below one is the report. Coronary Angiography: Left Main     : SHORT NORMAL LAD          : TYPE 3, PROXIMAL DISCRETETIGHT LESION LCx     : DOMINANT, MID SEGMENT DISCRETE TIGHT LESION DISTAL DISCRETE TIGHT LESION RCA          : CO DOMINANT, MID SEGMENT TOTAL CUTOFF, DISTAL VESSEL UNDERFILLED Diagonal     : TWO IN NUMBER, NORMAL OM          : FOUR IN NUMBER, OM2 LARGE VESSEL PROXIMAL DISCRETE TIGHT LESION Coronary Anatomy: Dominance      : Right Final Impression: Triple Vessel Disease Recommendations: Treatment Advised: CABG My Queries: 1. Really CABG required or Do we have any other options ( ways to handle)? 2. If CABG is the only option then, could you please suggest the best CABG method. 3. How much it costs? 4. What are the future implications of the CABG? 5. Please provide any other suggestions if you have.