780193.fig.002a
(a)
780193.fig.002b
(b)
780193.fig.002c
(c)
Figure 2: Topographical anatomy in three different patients. Most commonly there was lung directly adjacent to the sternal foramen (a), less commonly there was adjacent mediastinal fat (b), and only in 3 patients, the pericard/heart was directly adjacent to a sternal foramen (c).