[The value of azygography in the solution of the problem of operability of cancer of the lungs and esophagus].
D000792:Angiography; D001401:Azygos Vein / Q000502:physiology*; D004938:Esophageal Neoplasms; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging*; D010690:Phlebography
ANGIOGRAPHY; AZYGOS VEIN/physiology; ESOPHAGUS/neoplasms; LUNG NEOPLASMS/radiography