The lungs at autopsy reveals numerous pigmented nodules scattered throughout the parenchyma

A 66-year-old man suffers a heart attack and expires. Examination of the lungs at autopsy reveals numerous pigmented nodules scattered throughout the parenchyma (shown in the figure). What is the appropriate diagnosis?

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  1. Anthracosis
  2. Asbestosis
  3. Hemosiderosis
  4. Sarcoidosis
  5. Silicosis