👉 In medicine, a peripneumonic abscess is an infection that occurs in the lining of the lungs or inside the chest cavity. It can occur when bacteria enter the lung tissue through small openings such as cracks and crevices in the walls. This type of infection is usually caused by Streptococcus pneumoniae, which is a common bacterial species found in the airways. Inflammation and tissue destruction are often observed in peripneumonic abscesses. The pus