The calcified spots are simply what they say they are. Small calcifications in the lungs. They are fairly common and nothing to be alarmed about. They are almost always benign, but may get slightly bigger over time. Your dr will probably keep an eye on them long term to see if they get much bigger, but I doubt they pose any immediate risk. In short, the radiologist report is negative (normal). That being said, this is really a question for a physician. Not something to ask on a message board. =)