Radiology Consolidation of which poion of the lung is likely to obliterate the Aoic knuckle on X-ray chest: A Left Lingula B Right Upper lobe C Apex of lower lobe D Left upper lobe (posterior pa) 💡 Explanation Consolidation of which poion of the lung is likely to obliterate the Aoic knuckle on X-ray chest: ✓ Correct Answer: D. Left upper lobe (posterior pa)