Page 67 - Clinical Anatomy
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52 The Thorax
Fig. 40◊Tracing of a left oblique radiograph Fig. 41◊Tracing of a right oblique radiograph of
of the chest. the chest.
posterior wall forms the upper half of the posterior border of the cardiac
shadow. This border can be defined more accurately by giving the patient
barium paste to swallow; the outlined oesophagus is indented by an
enlarged left atrium.
