[Cancers of the esophagus associated with cancers of the upper aero-digestive tract. Data furnishes by systematic esophagoscopy]

MeSH terms

• Esophageal Neoplasms* / diagnosis
• Esophagoscopy
• Humans
• Laryngeal Neoplasms* / diagnosis
• Neoplasm Metastasis
• Neoplasms, Multiple Primary / diagnosis
• Pharyngeal Neoplasms* / diagnosis
• Tongue Neoplasms* / diagnosis