This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General Concepts, Subject name: Pathology
A 63-year-old woman with chronic bronchitis presents with shoness of breath. A chest X-ray reveals a 2-cm "coin lesion" in the upper lobe of the left lung. A CT-guided lung biopsy is obtained. Which of the following describes the histologic features of this lesion if the diagnosis is hamaoma? 
Select and explain. 
A. Benign neoplasm of epithelial origin, B. Disorganized normal tissue, C. Ectopic islands of normal tissue, D. Granulation tissue
B: Disorganized normal tissue
Answer: B: Disorganized normal tissue 
Explanation: Localized, disordered differentiation during embryonic development results in a hamaoma Not strictly neoplasms Contain varying combinations of cailage, ducts or bronchi, connective tissue, blood vessels, and lymphoid tissue. Ectopic islands of normal tissue (choice C), called choristoma, may also be mistaken for true neoplasms.