[On rare complications of anthracosis].
D000874:Anthracosilicosis; D055008:Anthracosis; D004937:Esophageal Fistula; D005734:Gangrene; D006470:Hemorrhage; D006801:Humans; D008171:Lung Diseases; D008480:Mediastinitis
ANTHRACOSILICOSIS; ESOPHAGEAL FISTULA; GANGRENE; HEMORRHAGE; LUNG DISEASES; MEDIASTINITIS