1. is cholesterol polyp measuring 3.4mm (0.134 in) dangerous or will eventually require surgery? is it a form of cancer? 2. my lipase blood test is below 4.0 iu/l while the normal range is 8-78. is this a cause of concern?

Your low lipase is not a cause for concern. Cholesterol polyp is not a medical entity, it may be a typo and you could restate your question. For healthy diet: http://www.choosemyplate.gov/., exercise 30 minutes/day, drink enough water daily so your urine is mostly colorless, have safe sex, no tobacco alcohol weed or street drugs. Get HPV and Covid vaccines. Wish you good health!