Size of your potential pineal gland calcification, that is!
[IMAGE: https://steemitimages.com/DQmU343K4shkwNqKzrXrBS1VpjtcYXHN7DWCzUDBAN8GjWw/IMG_0803.PNG]
Quite frequently, a CT scan will detect this in the brain and say that it is "mild", neglecting the fact that that's a highly vague term and these Calcifications are measured in cubic MILIMETERS!