<prompt> Answer this question truthfullyWhat classification does spontaneous coronary artery dissection fall under?  <response>: <reason> The intermediate type 12 SCAD lesion is characterized by the appearance of type 1 in conjunction with type 2 lesion. Diffuse, smooth narrowing of the vessel suggestive of type 2 lesion adjacent to multiple radiolucent lumens with arterial wall staining suggestive of a type 1 lesion is observed. 