A 75-year-old man with dyspnea and concern for aspiration.

A 30-year-old woman with difficulty childbearing undergoing fertility workup.

A 60-year-old man with morbid obesity and diabetes undergoing prebariatric surgery workup.

A 50-year-old man with dysphagia after completing antibiotics for sinusitis.

A 54-year-old woman with difficulty swallowing and sensation of food stuck in her throat for the past three months.

A 61-year-old man with a history of metastatic adenocarcinoma of the distal esophagus with new-onset shortness of breath and chest pain.

A 17-year-old boy with a history of Crohn's disease presents with nausea and vomiting.

A 47-year-old woman with dyspnea, cough, and hemoptysis.

A 70-year-old woman with right upper quadrant pain, jaundice, tea-colored urine, and clay-colored stool.

A 62-year-old woman with left lower quadrant pain, nausea and vomiting, and low-grade fever for the past week.

A 13-year-old boy with worsening dysphagia to solid foods.

A 64-year-old woman with dysphagia, food sticking in her throat, and intermittent regurgitation of food.

A 63-year-old woman with partial gastric outlet obstruction due to pyloric stenosis.

A 30-year-old man with lymphoma and progressive shortness of breath.

A 62-year-old man with intermittent left lower quadrant pain and diffuse lower abdominal discomfort.

An 18-year-old woman presents with chronic abdominal discomfort.

A 16-month-old girl with irritability for the past two days and refuses to eat.

A 49-year-old woman with abdominal pain after ileostomy reversal.

A 26-year-old woman with progressive dysphagia.

A 52-year-old woman with worsening chest pain and dysphagia.