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Figure 1: Left: A radiograph of the chest of a 75-year-old woman with stage IV lung adenocarcinoma taken 3 weeks before a red blood cell transfusion. The tip of a Port-a-Cath is indicated by the arrow. Opacities in the upper left and lower right lung can also be seen. Right: A chest radiograph showing mediastinal widening. This radiograph was obtained 1 hour after the transfusion was stopped because of dyspnea and retrosternal dull chest pain with a feeling of heaviness.
Figure 2: Contrast-enhanced CT scan of the chest revealed a right mediastinal hematoma (arrow heads) compressing the superior vena cava (double arrow) and extrusion of catheter tip (arrow).
Figure 3: Contrast-enhanced CT taken 2 months before the red blood cell transfusion. On retrosepctive review, it was noted that the catheter tip (arrow) was abutting the vessel wall with anterior tension.