1. A calibration template for standardizing images taken with X-ray radiation comprising a box made predominantly of a mate, rial having an absorption of X-ray radiation simulating the X-ray absorption properties of bone, organs and soft tissue portions of the human body in a variety of energies used in diagnostic radiology, said box including a thick body section having a first thickness and imbedded specimens simulating X-ray absorption characteristics of human body portions located in thick portions of human bodies, a thin body section having a thickness less than said first thickness and imbedded models simulating X-ray absorption characteristics of human body portions located in thin portions of human bodies, and a thoracic body section having a thickness less than the first thickness and including a sample simulating the X-ray absorption characteristics of a human lung.