A 62-year-old patient presents to the Emergency Department with facial swelling, dyspnoea, and dilated chest wall veins. A CT scan confirms superior vena cava obstruction due to a mediastinal mass.
Which of the following is the most appropriate initial management?
A
Immediate surgical decompression
B
Radiotherapy
C
High-dose dexamethasone
D
Anticoagulation with low molecular weight heparin
E
Endovascular stenting