I'm really worried about my dad, he's 62 and he's been coughing up quite a lot of blood, like 300 to 500 ml. He had TB treatment about 25 years ago, and now it seems like scars in his right lung have reactivated. Theyre even suggesting he might need his right lung removed. The scan shows segmental consolidation in the right lower lobe, multiple emphysematous bullae in the right upper and lower lobes, and some pleural thickening in the lower hemithorax. What does all this mean, and what should we do next? Is removing the lung really necessary, or are there other options?