The specific symptoms of the upper gastrointestinal tract that patients were asked about included dysphagia, odynophagia, heartburn, dyspepsia, nausea, vomiting, anorexia,
[doi.org]
This is the Paterson-Brown-Kelly syndrome (or Plummer-Vinson syndrome) and there is an association with oesophageal carcinoma.
[patient.info]
Symptoms of iron deficiency include: fatigue dizziness/lightheadedness pallor hair loss twitches irritability weakness pica brittle or grooved nails hair thinning Plummer–Vinson
[en.wikipedia.org]