This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urethra & Penis, Subject name: Surgery
Bag of worms sensation in scrotum on palpation: 
Select and explain. 
A. Varicocele, B. Epididymal cyst, C. Hydrocele, D. Spermatocele
A: Varicocele
Answer: A: Varicocele 
Explanation: Ans. (a) VaricoceleRef: Bailey and Love 27th Edition, Page 1502* Varicocele is most common on left side* Clinical examination shows Bag of Worm feeling and Cough impulse+ and Empties on lying down* Grades:# Grade 1: Diagnosed on USG only, not palpable# Grade 2: Palpable# Grade 3: Visible