A 45 yrs old man presents with progressive cervical lymph nodes enlargement, since 3 months; most diagnostic investigation is:
In cervical lymph node enlargement, if no mucosal lesion is detected, an excision biopsy of the largest node should be performed. Ref: Harrison's Internal Medicine, 15th Edition, Page 362 and 18th Edition, Page 467.
X-ray soft tissue
FNAC
Lymph node biopsy
None of the above