Unknown Reactivation tuberculosis and primary squamous cell carcinoma of the lung are similar in that they both are commonly associated with: A Cavitation B Scar carcinomas C Silicosis D Ectopic secretion of a parathormone-like peptide 💡 Explanation Reactivation tuberculosis and primary squamous cell carcinoma of the lung are similar in that they both are commonly associated with: ✓ Correct Answer: A. Cavitation