system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Apical lung tumor causes
assistant
The correct answer is  Apical lung cancer/ Pancoast tumor causes - 2deg neuron injury (Preganglionic sympathetic fibres) I/L horner syndrome (Cervical sympathetic chain and ganglion involved) Loss of sweating on same side of face 1deg sympathetic neuron injury occurs in Wallenberg syndrome 2deg sympathetic neuron (preganglionic fibers) injury occurs in Apical lung cancer 3deg sympathetic neuron (postganglionic fibers) injury occurs in Internal carotid aery disection