What is this "ghost-in-situ" in this OCT run?

Image in interventional cardiovascular medicine: what is displayed on this image? ... And do not hesitate to comment on how you would treat this case!

This is an OCT run taken from a stent placed in RCA six years back in a 74-year-old male who presented with NSTEACS. The run has been taken without predilatation.
ISR requires a mechanistic approach and the neointimal tissue characteristics as elaborated by OCT may tailor our approach to PCI in ISR.

An image is worth a 1,000 words: participate in the quiz below to tell us what you see in this image!