Computed tomography of intercostal nerve neurofibroma

(A) Computed tomography (CT) thorax in transverse plane shows a right lower thoracic mass widening the intercostal space between the ninth and tenth right ribs. The mass impinges on the right hemidiaphragm and on the liver (dashed arrows).
(B) Intercostal nerve neurofibroma. CT thorax with coronal plane rendering in the same patient shows the mass splaying the intercostal space between the ninth and tenth right ribs, obliterating the right lateral costophrenic sulcus (arrows). Incidental note is made of left lower lobe pneumonia.