This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Tuberculosis, Subject name: Medicine
Most common form of extra-pulmonary TB is? 
Select and explain. 
A. TB CNS, B. TB Lymphadenitis, C. TB Genito-urinary, D. Potts spine
B: TB Lymphadenitis
Answer: B: TB Lymphadenitis 
Explanation: MC form extra-pulmonary TB is Cervical lymphadenitis (TB lymphadenitis) | Diagnosed by FNAC