Inflammation of the lungs and excess mucus are common sources of breathing difficulties. Toxic effects include damage to the brain, kidneys and lungs. Thoracic endometriosis occurs when endometrial tissue implants in the lungs or pleura. The respiratory system is very prone to developing infections in the lungs. This process occurs in the pulmonary capillaries adjacent to the alveoli of the lungs. MAC usually affects patients with abnormal lungs or bronchi. Her lungs and liver were also deeply cut. TF is also abundant in tissues of the lungs, brain, and placenta. They are also responsible for detoxifying harmful substances inhaled into the lungs. They serve as openings for the scorpion's respiratory organs, known as book lungs. Two structures exist to shunt blood flow away from the lungs. Examples include the heart, lungs and liver. It also results in dilation of the blood vessels in the lungs. The spread of melanoma to his lungs and brain caused his death. Complications can include spread to the lungs or brain.