Which salivary gland tumor appears bilaterally, more commonly in males?

Correct answer: C. Warthin tumor (Papillary cystadenoma lymphomatosum)

• A. Pleomorphic adenoma is the most common salivary gland tumor overall but is typically unilateral, not classically bilateral.
• B. Adenocarcinoma is a malignant salivary gland tumor, not classically described as bilateral or male-predominant in this way.
• C. Correct. Warthin tumor classically occurs bilaterally (synchronously or metachronously) and is more common in older male smokers.