190. Phrenic Nerve 193. Topography of Lungs: Anterior View 195. Lungs in Situ: Anterior View 203. Great Vessels of Superior Mediastinum 208. Heart in Situ 239. Cross Section of Thorax at T3-4 Disc Level 266. Omental Bursa: Stomach Reflected 267. Omental Bursa: Cross Section 268. Peritoneum of Posterior Abdominal Wall