Answer of November 2002


Clinical History:

M/51, Recurrent hemoptysis.

                                        Figure 1

                                        Figure 2



Carcinoma of descending colon with intussusception and liver metastases. Synchronous carcinoma of caecum


Figure 1: Thin sections CT thorax- An oval airspace is seen in the right posterolateral aspect of trachea at level of sternal notch.

Figure 2: 3D reconstruction shows a neck between the airspace and trachea.