A cath that showdSVG to RPDA had occluded and distal RPDA had collaterals and native lAD ad RCA were alsoocclu?

I had a heart cath and the results were as follows: SVG to RPDA had occluded and distal RPDA had collaterals and bative LAD AND rca WERE ALSO ACCLUDE. om GRAFT WAS PATENT. WHAT DOES THIS MEAN?