Thoracic Organ Doses and Cancer Risk from Low Pitch Helical 4-Dimensional Computed Tomography Scans

Figure 2

The mean doses to (a) heart, (b) lungs, (c) esophagus, (d) trachea, (e) spinal cord, and (f) skin decreased monotonically with increasing patients’ effective diameter for 3DCT and 4DCT scans.

(a) Heart

(b) Lungs

(c) Esophagus

(d) Trachea

(e) Spinal cord

(f) Skin