Pneumoconiosis is a relatively common occupational disease in China, which occurs in patients who have long-term exposure to occupational dust that gets inhaled into the lungs at work. The symptoms of pneumoconiosis are similar to those of other respiratory diseases, commonly including cough, expectoration, chest tightness, difficulty breathing, chest pain, etc. Lung examinations can reveal nodules and masses of varying sizes in the lungs. After contracting pneumoconiosis, which department should one visit? If there is a department for occupational diseases, then one can visit the occupational disease department. If not, it is generally advisable to visit the respiratory department.