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What is the correct answer?


Topic: Horner's Syndrome
Subject: Medicine
A 70-year-old man presented with ptosis, myosis and anhydrosis on the left side. Which one of the following is the most likely cause of this condition?

A. Tumour induced exophthalmos

B. Fourth cranial nerve palsy

C. Apical pulmonary carcinoma

D. Enlarged thyroid gland