ABSTRACT
					
	A 54-year-old male complaining of recurrent chest pain on exertion (CCS 
2) was electively admitted for a second recanalization attempt of a 
chronic totally occluded (CTO) first diagonal branch. Two years ago, a 
drug-eluting stent (DES) deployed to the proximal LAD jailed the 
diagonal ostium leading to its occlusion. Based on the angiographic 
analysis, seen by contrast filling through the epicardial retrograde 
collateral flow from the distal LAD, the vessel was considered to be of 
small calibre (Panel 1A). Because of the perceived 
interventional risk, intensified maximum medical treatment was the 
therapeutic strategy of choice. However, the patient was still suffering
 from recurrent chest pain. To gain...