1. Foreign Body Impaction in the Esophagus
Masayuki Shibata, MD, Tateaki Naito, PhD 
Mayo Clinic Proceedings 
Volume 94, Issue 5, (May 2019)
DOI: /j.mayocp
Copyright © 2019 Mayo Foundation for Medical Education and Research Terms and Conditions

2. Figure 1
Coronal chest computed tomography showing a plum seed above the esophagus and infiltrated lung cancer.
Mayo Clinic Proceedings  , DOI: ( /j.mayocp )
Copyright © 2019 Mayo Foundation for Medical Education and Research Terms and Conditions

3. Figure 2
Endoscopy showing a plum seed in the upper portion of the esophagus.
Mayo Clinic Proceedings  , DOI: ( /j.mayocp )
Copyright © 2019 Mayo Foundation for Medical Education and Research Terms and Conditions