Pancoast’s syndrome

• apical tumor → brachial plexus involvement (C8, T1, T2) → Horner’s syndrome, shoulder pain, rib destruction, atrophy of hand muscles

• 根尖腫瘤→臂叢參與（C8，T1，T2）→ Horner綜合徵，肩痛，肋骨破壞，手肌肉萎縮