Related by context. Frequent words. (Click for all words.) 68 patent foramen ovale 66 patent foramen ovale PFO 61 bronchi 60 peritoneum 60 aortic arch 60 ventricular septal defect 59 umbilicus 58 septal 58 pericardial 57 ureters 57 pulmonary arteries 57 abdominal aorta 56 pharyngeal 56 ureter 55 pulmonary veins 55 anterior chamber 55 stomach pouch 55 pulmonary vein 55 surgical incision 54 thoracotomy 54 pericardium 54 neural tube 54 upper airway 54 bronchus 54 peritoneal cavity 54 duodenal 54 septum 54 brachial artery 54 alveoli 54 intraocular 53 ascending aorta 53 artery 53 left atrial appendage 53 saphenous vein 53 laparotomy 53 epididymis 53 vasospasm 52 distension 52 Aneurysms 52 aortic root 52 stoma 52 pleural 52 urethral 52 pulmonary valve 52 intracranial 52 annular 52 electrical conduction 52 uvula 52 intra abdominal 52 occlusion 51 sinus cavities 51 bile duct 51 anastomosis 51 atrial 51 tubal 51 pulmonary artery 51 cannula 51 Aortic 51 spinal canal 51 sternal 51 infarct 51 mediastinal 51 mitral 51 aortic 51 brachial plexus 51 hypoxemia 51 stented 51 cecum 51 lymphatic vessels 51 esophagus stomach 51 vertebral body 51 biliary 51 oesophageal 50 bypass graft 50 pneumothorax 50 duodenum 50 bronchial tubes 50 Carotid 50 airway 50 iliac 50 Scar tissue 50 radial artery 50 cannulation 50 craniotomy 50 myocardial ischemia 50 left ventricular dysfunction 50 urethra 50 axillary 49 minimally invasive technique 49 Venous 49 lymph vessels 49 ileum 49 aortic aneurysms 49 fluoroscopic 49 sinus cavity 49 neovascularization 49 diseased arteries 49 endotracheal tube 49 conjunctival 49 trachea 49 distention