1. Only nodules that grew were considered cancerous and referred for surgery. 2. Manifestations included subcutaneous nodules , anterior eye lesions, and dermatitis. 3. Polymetalic nodules are found in both shallow ( e . g. 4. There is an important distinction to draw between concretions and nodules . 5. These nodules have a tendency to calcify as the patient ages. 6. The silicotic nodule represents a specific tissue response to crystalline silica. 7. In some cases, the pulmonary nodules may also become calcified. 8. These nodules may provide a significant resource for future mining ventures. 9. The plants obtain nutrients from root nodules and decomposing organic substance. 10. They do this while living in root nodules on actinorhizal plants.