This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Anatomy
A female patient present with a hard mobile lump in her right breast. Which investigation would be most helpful in making the diagnosis 
Select and explain. 
A. FNAC, B. Needle biopsy, C. Excision biopsy, D. Mammography
B: Needle biopsy
Answer: B: Needle biopsy 
Explanation: Needle biopsy: Histology can be obtained under local anaesthesia using a springloaded core needle biopsy device. Cytology is obtained using a 21G or 23G needle and 10-mL syringe with multiple passes through the lump with negative pressure in the syringe. The aspirate is then smeared on to a slide, which is air dried or fixed Ref: Bailey and love 27th edition Pg no : 864