chronic antritis

What Is Chronic Antritis? MalaCards based summary : Chronic Maxillary Sinusitis, also known as chronic antritis, is related to maxillary sinusitis and ethmoid sinusitis. An important gene associated with Chronic Maxillary Sinusitis is RNASE3 (Ribonuclease A Family Member 3). What is chronic gastritis caused by? Chronic gastritis occurs when your stomach lining becomes inflamed. Bacteria,