A 74-year-old chronic heavy smoker has presented with a several-week history of non-productive cough. The patient denies any hemoptysis, weight loss, or night sweats. He is able to walk a mile without experiencing any dyspnea or chest pain. The chest radiograph showed an abnormal density. On CT imaging, the nodule measures 2.5 cm in diameter (see figure below). The remainder of the lung parenchyma is normal in appearance, no enlarged lymph nodes are evident. What is the next step?