A 68 year old man has had increasing dysphagia for solid food for 3 months and has lost 5kgs in weight. What single investigation is most likely to lead to a definitive diagnosis?
belongs to book: 1700 MCQ REVISED VERSION TOPIC WISE|DR. KHALID SAIFULLAH|4th EDITION| Chapter number:15| Question number:34
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Medicine
The key is D. Endoscopy and biopsy. [Likely cause is malignant stricture for which endoscopic biopsy is the definitive investigation].
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