What does coronary calcium score mean?

What does coronary calcium score mean ?

Coronary CTA

Poole society Aug 28 2016

Chest radiology case conference oct 26, 2016.

Abdominal radiology case conference March 30, 2017.

Calcific Constrictive pericarditis

Chest case conference March 1, 2017

Radiology chest Case conference Aug 3, 2016.

Atypical lung neoplasms1

Cardiac radiology conference march 2017