pectus excavatum is a structural deformity of anterior thoracic wall. sternum and rib cage are d abnormally. pulmonology

abnormally amyloidosis anterior thoracic wall body breathing carinatum cartilage character comparing cross section deformity fibrosis genetics heart human illustration infographics isolated blue male medical patient pectus excavatum poor airflow problem pulmonary pulmonology restrictive lung disease rib cage save spine sternum structure sunken chest symptoms torso vector