addiction, anatomy, associated, axial, biology, body, bone, c, cat, cause, chest, chronic, clear, commonly, computerized, concept, condition, copd, ct, diagnostic, diagnostics, dimension, disease, emphysema, human, human anatomy, life science, lobe, medical imaging, medical science, medical test, medicine, michel, multiple, obstructive, pathological, procedure, prof, properties, pulmonary, quality, scan, section, seen, showing, skeletal system, smoking, spaces, tomography, vascular, vessel, which, axial human body, torso chronic, disease addiction, medicine frequently, frequent strongly lung, organ system, respiratory system axial, anatomical direction pulmonary, organ system, respiratory system tomography, scan related, relate visible, view obstruction, obstruct tobacco, smoking ct, medical imaging patient, medicine abnormal, descriptive concept disease, medicine inflammation, pathological disease, computed, tomography associated, associate caused, tomography clear, respiratory disease copd, respiratory disease airway, math-related concept, spatial smoking, addiction smoker, smoking emphysema, respiratory disease multiple, quantity obstructive, obstruct respiratory disease, disease thorax, organ system, axial skeleton association, associate axial section, section view space, astronomy commonly, common devascularization, vascularization centrilobular, lobar devascularized, vascularization pti7, -inter1