Neurological examination of a 64-year-old man revealed loss of discriminative touch, vibration, and pain sensations in the left leg and foot. Sensory acuity was normal in other parts of the body. Damage to which of the following structures could account for this deficit? A. left medial somatosensory cortex B. right media; somatosensory cortex C. left ventral posterolateral nucleus of the thalamus D. left lateral midbrain E. right medial medulla F. left lateral pons
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