A pediatric oncology nurse is caring for a 13-year-old child…
A pediatric oncology nurse is caring for a 13-year-old child admitted with a bulky mediastinal mass secondary to Non-Hodgkin Lymphoma. During the morning assessment, the nurse notes that the child is sitting upright in bed, leaning forward, and exhibiting dyspnea. Physical examination reveals facial edema, periorbital puffiness, jugular vein distension (JVD), and prominent, dilated collateral veins visible across the upper chest and neck. The nurse recognizes these clinical manifestations as an oncologic emergency caused by which pathophysiological process?
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