A 38-year-old man from rural Maharashtra presents with a 2-year history of progressive numbness in his feet and hands. On examination, he has well-demarcated hypopigmented macules over his trunk and extensor surfaces with loss of sensation in these lesions. His ulnar and posterior tibial nerves are thickened and tender. Slit-skin smear from the lesion shows acid-fast bacilli. Which of the following best describes the classification of his leprosy based on clinical and bacteriological findings?