- Obstruction of SVC from external compression, internal clot/fibrosis or combinations
- Cancer (lung, lymphoma, other)
- Clot (lines, cancer)
- Sub-acute, progressive sob
- Throat discomfort, dysphagia, change in voice
- Confusion (cerebral edema or mets if cancer)
- Facial and/or upper body edema and venous congestion
- Worse w/arms raised
- Dilated superficial veins on chest
- Distended EJ and IJ