C. Marangoni et al., SENSORY DISORDER OF THE CHEST AS PRESENTING SYMPTOM OF LUNG-CANCER, Journal of Neurology, Neurosurgery and Psychiatry, 56(9), 1993, pp. 1033-1034
Four patients with Pancoast's syndrome had burning pain in the axilla
and abnormal sensation in the intercostobrachial nerve territory. The
intercostobrachial nerve is the first component of the brachial plexus
to be invaded by lung tumours.