Gallbladder polyp 03 is an indication that the gallbladder polyp has grown to 0.3 cm, most of them are found during physical examination, gallbladder polyp is a benign tumor, while 0.3 cm is not considered serious. Gallbladder polyp is a lesion that begins in the wall of the gallbladder and protrudes or bulges into the gallbladder lumen. It usually has no clinical symptoms, but some people may experience nausea, occasional pain in the epigastric region, and vomiting, mostly due to ultrasonography findings during a physical examination. Gallbladder polyps can be caused by poor cholesterol metabolism, chronic inflammation, etc. For example, chronic inflammation can stimulate the proliferation of the gallbladder mucosa, thus forming inflammatory polyps. Abnormal cholesterol metabolism can also lead to the occurrence of gallbladder steroid polyps. In general, when there are no obvious clinical symptoms, there is no risk factor for malignancy, and doctors recommend regular observation as the mainstay.