Related by context. Frequent words. (Click for all words.) 76 lungs 64 liver 63 lung tissue 62 lung disease 60 respiratory 58 emphysema 57 chronic lung 56 kidney 56 pulmonary 55 esophagus 55 blood clot 55 pancreas 54 aorta 54 lung diseases 54 bowel 54 lung function 54 blood vessels 54 aneurysm 53 kidneys 53 neurological 52 clot 52 intestine 52 coronary artery 52 blood clots 52 spinal cord 52 sinus 52 colon 51 brain 51 larynx 51 cardiac 51 airway 51 bladder 50 thyroid 50 gallbladder 50 circulatory 50 spinal 50 congenital heart 50 spleen 50 intestines 50 respiratory tract 50 internal organs 49 Lung 49 intestinal 49 windpipe 49 abdomen 49 tumor 49 diaphragm 49 pancreatic 49 vital organs 48 gastric 48 heart valve 48 lung cancer 48 asthma 47 spinal column 47 lung transplant 47 vascular 47 heart 47 clots 47 pneumonia 47 inflammation 47 sinuses 47 renal 47 artery 46 chronic obstructive pulmonary 46 asthmatic 46 gall bladder 46 prostate 46 breathing difficulties 46 airways 46 abdominal 46 fibrosis 46 cyst 46 inhaled 46 cancerous 45 lesion 45 digestive tract 45 COPD 45 uterus 45 pulmonary embolism 45 arteries 45 ovary 45 small intestine 45 aneurysms 45 cysts 45 optic nerve 45 gastrointestinal 45 deep vein thrombosis 45 soft tissue 44 cartilage 44 internal bleeding 44 carotid artery 44 scar tissue 44 neurologic 44 muscle tissue 44 kidney function 44 collapsed lung 44 organ failure 44 vocal cords 44 arrhythmia 44 appendicitis 44 retina