A 60-year-old man with a history of poor dental hygiene and chronic alcohol use presents with a 3-month history of progressive cough, weight loss, and hemoptysis. He denies fever or night sweats. Chest X-ray reveals a right upper lobe consolidation with adjacent pleural thickening and rib destruction. Sputum cultures are negative for acid-fast bacilli (AFB), and a biopsy of the lesion shows Gram-positive filamentous bacteria with sulfur granules. Which of the following is the most likely diagnosis?