Key Features of Pancoast Tumour:
Location: Tumour of the apex of the lung, typically non-small cell lung cancer.
Symptoms:
. Persistent chest pain (often pleuritic) localized to the upper chest, shoulder, and arm.
. Weakness or atrophy of hand muscles.
. Symptoms of Horner’s syndrome due to compression of the sympathetic chain:
. Unilateral ptosis (drooping eyelid)
. Miosis (constricted pupil)
. Anhidrosis (lack of sweating) on the affected side
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