Pulmonary Venous Obstruction in Cancer Patients

Figure 1

Pulmonary vein obstructive syndrome (PVOS). A 78-year-old man with rectal cancer. Chest X-ray (a) before and (b) at the onset of PVOS showed right low lung and pulmonary hilum increase haziness. CT scan ((c) and (d)) revealed tumor/thrombosis located in the bilateral superior and inferior pulmonary veins.

(a)

(b)

(c)

(d)