Related by context. Frequent words. (Click for all words.) 68 intestine 65 colon 64 bladder 64 gastric 62 intestines 62 esophagus 62 small intestine 59 intestinal 57 digestive tract 54 gastrointestinal tract 54 lung 54 uterus 54 cervix 54 gastrointestinal 53 digestive 53 trachea 53 liver 53 abdominal 53 tonsils 53 uterine 53 gallbladder 52 urinary 52 prostate 52 prostate gland 52 cyst 51 reflux 51 urinary tract 51 constipation 51 sinus 51 pancreas 51 stomach 51 rectum 50 blood vessels 50 acid reflux 50 abscess 49 aorta 49 anus 49 rectal 49 sinuses 49 kidney 49 lungs 48 incision 48 endoscopy 48 gall bladder 48 urethra 48 thyroid 48 vaginal 48 GERD 48 lesion 48 coronary artery 48 placenta 48 polyps 48 testicle 47 colonoscopy 47 clot 47 nodules 47 cysts 47 gallstones 47 spleen 47 pelvic 47 lesions 47 tummy 47 lymph nodes 47 airway 47 nasal 47 ulcer 47 tumor 47 diaphragm 47 hernia 47 renal 46 gland 46 abdominal pain 46 cancerous 46 windpipe 46 blood clot 46 abdomen 46 pancreatic 46 thyroid gland 46 larynx 46 scar tissue 46 surgical procedure 45 venous 45 rotator cuff 45 aneurysm 45 incisions 45 lymphatic system 45 soft tissue 45 ovary 45 optic nerve 45 aortic valve 45 breast tissue 44 aneurysms 44 forceps 44 appendicitis 44 vagina 44 spinal cord 44 postoperative 44 brain 44 hysterectomy 44 left ventricle 44 catheter