case_images: PMC2276602_01
case_images: Chest X-ray. Right paratracheal soft tissue opacity measuring approximately 
  4 x 4 cm. Elevation of
  the right hemidiaphragm with a linear density in the right lower lung
  consistent with atelectasis.
case_images: IDOG2008-628985.001.jpg
case_images: PMC2276602_01_IDOG2008-628985.001.jpg
case_images: fig1
case_images: The chest X-ray demonstrated a right paratracheal soft tissue opacity measuring approximately  4 x 4 cm with a slight elevation of the right hemidiaphragm with a linear density in the right lower lung consistent with atelectasis (see Figure 1).