A 68-year-old man with COPD presents with acute lobar pneumonia confirmed by Streptococcus pneumoniae on blood culture. He deteriorates despite appropriate antibiotics and dies. At post-mortem, the right lower lobe shows the appearance marked **A** in the diagram—a uniformly consolidated, firm, airless, red-brown lobe with a dry, granular, liver-like cut surface, sharply demarcated at the fissure from adjacent lobes. Which of the following best describes the pathological stage represented by this gross appearance?
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