Recently had chest Xray done , am troubled by the term Arteriosclerosis (aortic) 170.0, what does it mean 57 y.o male 6 tall, 185lbs., diabetic on metformin, glimepiride, and onglyza.there is mention of calcification of aortic knob in the report. Thank you, Joe

Summarized question: What does arteriosclerosis mean?