title: Target sign for emphysema.
mesh_terms: D006332:Cardiomegaly / Q000150:complications; D006801:Humans; D006976:Hypertension, Pulmonary / Q000150:complications; D008173:Lung Diseases, Obstructive / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D011656:Pulmonary Emphysema / Q000150:complications / Q000175:diagnosis*; D012877:Skin Manifestations; D013848:Thigh