Presentation
40 pack-year smoking history. Chest pain and weight loss.
Patient Data
Age: 75
Gender: Female
From the case:
Pancoast tumor
Frontal

Large left apical lung mass (superior sulcus) without bony destruction. Right lung clear.
Case Discussion
Pancoast tumor is a specific term for a tumor at the lung apex, which when associated with Horner syndrome is termed Pancoast syndrome. This relates to invasion of the brachial plexus from which its other name arises - superior sulcus tumor.
Subsequent CT demonstrated metastatic lung cancer.