1 — Thoracic vertebra [TXII]; 2 — Pleura, inferior border; 3 — Inferior lobe; Lower lobe; 4 — Right lung, inferior border; 5 — Middle lobe of right lung; 6 — Pleura, anterior border; 7 — Parasternal line; 8 — Sternal line; 9 — Anterior median line; 10 — Cervical pleura; Dome of pleura; Pleural cupula; 11 — Apex of lung; 12 — Midclavicular line; Mammillary line; Nipple line; 13 — Pleura, superior border; 14 — Heart; 15 — Cardiac notch of left lung; 16 — Xiphoid process; 17 — Pleura, diaphragmatic part
