 [ Symptoms ] i have seen many doctors but still no answers droop in left shoulder and spine curved [ Disease ] i have read your history many times and i tend to believe that your problem is more related to the accessory nerve 11th cranial nerve disorder looking like a lower motor neuron lesion the accessory nerve supplies the trapezius and scaleni muscles motor supply which in case of injury may cause drop shoulder abd compete muscle wasting the surgery might be the cause or other unknown cause due to nerve compression or injury are possible