Navel changes to diet and exercise, unexpected change in shape may be the result of ascites. In addition to change in shape being a possible side effect from ascites and umbilical hernias, the navel can be involved in umbilical sinus or fistula, which in rare cases can lead to menstrual or fecal discharge from the navel. Menstrual discharge from the umbilicus is a rare disorder associated with umbilical endometriosis. To minimize scarring, the navel is a recommended site of incision for various surgeries, including transgastric appendicectomy, gall bladder surgery, and the umbilicoplasty procedure itself. Abdominal thrusts is a first aid method
Cultural views on the navel amid opposition from local groups, calling the cancellation a result of a "scheduling conflict". Saint Thomas Aquinas considered the navel as the "bodily metaphor for spiritual things". In Indian traditional medicine, the "Cyperus rotundus" tuber is made into a paste and applied around the navel to relieve pain caused by roundworms. Pomegranate plant juice and paste is used to treat snake bites; the juice is dropped into the nostrils, ears, and navel. Applying a little bit of ghee or mustard oil on cotton and keeping it on the navel overnight is considered a remedy for dry lips. Castor oil is