[USE OF RETROPNEUMOPERITONEUM IN THE ROENTGENOLOGIC EXAMINATION OF THE ESOPHAGUS].
D002299:Cardia; D004938:Esophageal Neoplasms; D006801:Humans; D009369:Neoplasms / Q000175:diagnosis*; D012188:Retropneumoperitoneum
CARDIA; ESOPHAGEAL NEOPLASMS; NEOPLASM DIAGNOSIS; RETROPNEUMOPERITONEUM
OB ISPOL'ZOVANII RETROPNEVMOPERITONEUMA PRI RENTGENOVSKOM ISSLEDOVANII PISHCHEVODA.