Definition: Metrolymphangiitis is a type of inflammation that affects the lining of the lymphatic vessels in the lungs. It can be caused by various factors, such as infection, trauma, or certain medications. In this condition, the lymphatic vessels become inflamed, causing swelling and pain in the area around the site of injury or infection. The symptoms may include fever, cough, fatigue, shortness of breath, and difficulty breathing. Treatment includes antibiotics to treat bacterial infections, and rest and pain