Situs inversus is a rare congenital condition where the major visceral organs are reversed or mirrored from their normal positions. For example, the heart may be located on the right side of the chest instead of the left. This condition occurs during fetal development and affects about 1 in 10,000 people. Most individuals with situs inversus lead normal, healthy lives without any significant complications. However, it can sometimes be associated with other medical conditions, such as Kartagener syndrome, which involves respiratory issues. Diagnosis is often made through imaging techniques like X-rays or CT scans.