[[File:High-resolution computed tomographs of a normal thorax (thumbnail).jpg|thumb|center|link=HRCT of a normal thorax|High-resolution computed tomographs of a normal thorax, taken in the axial, coronal and sagittal planes, respectively. {{noprint|[[HRCT of a normal thorax|Click here to scroll through the image stacks.]]}}]]
==Diseases==
*[[CT of pulmonary embolism]]
===Lymophadenopathy===
{|
|+ Definition by size
|-
| [[Mediastinum]], generally || 10 mm<ref name=Torabi2004/><ref name=Saba2016>[https://books.google.com/books?id=q7v1CwAAQBAJ&pg=PA432 Page 432] in: {{cite book|title=Image Principles, Neck, and the Brain|author=Luca Saba|publisher=CRC Press|year=2016|isbn=9781482216202}}</ref>
|-
| Superior mediastinum and high paratracheal || 7mm<ref name="SharmaFidias2004"/>
|-
| Low paratracheal and subcarinal || 11 mm<ref name="SharmaFidias2004">{{cite journal|last1=Sharma|first1=Amita|last2=Fidias|first2=Panos|last3=Hayman|first3=L. Anne|last4=Loomis|first4=Susanne L.|last5=Taber|first5=Katherine H.|last6=Aquino|first6=Suzanne L.|title=Patterns of Lymphadenopathy in Thoracic Malignancies|journal=RadioGraphics|volume=24|issue=2|year=2004|pages=419–434|issn=0271-5333|doi=10.1148/rg.242035075}}</ref>