Fig. 2

Possible insertion sites and intrathoracic structures. Reconstruction of a thoracic CT of a 21 months old girl. a and b: Insertion sites at 2nd ICS MCL and 4th ICS AAL. c: 2nd ICS midclavicular line, sagittal insertion. View from apical. d: 4th ICS anterior axillary line, insertion perpendicular to the chest wall. View from apical