A 26-year-old man presented to an outpatient clinic complaining of recurring episodes of fresh bleeding from the rectum for the past 11 years.

A 79-year-old man presented with worsening bloating and nausea. 

A 35-year-old man with a past medical history significant for Chiari malformation and pulmonary embolism (PE) treated with Xarelto presented after an 8-foot fall from a loading dock. The patient was noted to have a large left forehead hematoma and a seizure of five seconds' duration noted by EMS prior to arrival. His Glasgow Coma Scale (GCS) score was 15, and his Focused Assessment with Sonography in Trauma (FAST) exam was positive.

Four patients (three female, one male; mean age 79 years old; age range 72-93 years old) with recurring melena/rectorrhagia and anemia were admitted. Nearly all of the patients presented with several risk factors such as cardiopathy, hypertension, diabetes, and liver and renal failure. 

A 39 year-old woman presented with nausea and vomiting of five days' duration.

A 69-year-old woman with scleroderma presented with abdominal pain she had been experiencing for the past five days.

A 21-year-old woman with no significant past medical history presented with an acute episode of worsening abdominal pain and vomiting. Over the previous four days, the patient had been vomiting acidlike fluid and had abdominal pain up into her chest and neck.

A 71-year-old woman with a history of stage IV follicular thyroid cancer status post-thyroidectomy with pulmonary metastases, endometrial cancer status post-total abdominal hysterectomy, latent tuberculosis, and gastroesophageal reflux disease presented with a persistent cough that had lasted five months. 

A 60-year-old woman with a history of stage IA invasive ductal cell carcinoma of the left breast (postlumpectomy and postradiation) and Roux-en-Y gastric bypass presented with chronic dyspepsia and nausea.

A 56-year-old woman presented with intractable nausea and vomiting a week after an endoscopic procedure to treat a duodenal AVM.

A 52-year-old man presented to the emergency department with abdominal pain, leukocytosis, and elevated C-reactive protein.

An 84-year-old woman presented with worsening frailty and unintentional weight loss.

A 44-year-old man presented for routine follow-up fluoroscopic evaluation post-low anterior resection for rectal cancer.

A 75-year-old woman presented with abdominal pain and nausea.

A 71-year-old man presented with acute abdominal pain.

72-year-old man with abdominal distension.

A 32-year-old woman with recurring abdominal pain, nausea, vomiting, and unintentional weight loss.

A 48-year-old woman undergoing preoperative evaluation for bariatric surgery.

A 65-year-old man presented with right upper quadrant pain and elevated liver enzymes.

A 7-year-old boy with right lower quadrant pain.