Patient presents with complaints consistent with gastroesophageal junction ulcer.  Symptoms include epigastric pain, heartburn, acid reflux, dyspepsia, and regurgitation.  Onset of symptoms began approximately [duration] ago and is [frequency] in nature.  Pain is described as [character of pain] and is [exacerbating/alleviating factors related to food intake, position, antacids, etc.].  Patient denies hematemesis but reports [presence or absence of melena, nausea, vomiting].  Past medical history includes [relevant PMH:  e.g., GERD, H. pylori infection, NSAID use, smoking history].  Family history is significant for [relevant FH:  e.g., peptic ulcer disease].  Medications include [list current medications].  Physical examination reveals [relevant findings:  e.g., epigastric tenderness on palpation].  Differential diagnoses include esophagitis, gastritis, peptic ulcer disease, Barrett's esophagus, and functional dyspepsia.  To evaluate for gastroesophageal junction ulcer, an esophagogastroduodenoscopy (EGD) is scheduled.  Pending EGD results, initial management includes lifestyle modifications such as dietary adjustments, smoking cessation if applicable, and weight management if indicated.  Pharmacological therapy may include proton pump inhibitors (PPIs), H2 blockers, or antacids.  Patient education provided on GERD management, potential complications of ulcers, importance of follow-up, and medication adherence.  ICD-10 code K22.1 is considered pending definitive diagnosis.  Further evaluation and treatment will be determined based on EGD findings.