Age	Sex	Biopsy Site	EUS-FNA ROSE Performed?	Indication for Procedure	Endoscopic Findings	Clinical Differential Diagnosis	Associated History/ Comorbidities	Final Diagnosis
62	M	Small Bowel	No	SBO, abnormal imaging of duodenum suspicious for tumor	Non-bleeding ulcer	AdCa vs lymphoma vs infection vs other	Immunosuppression for lung transplant for IPF, EBV viremia	Monomorphic PTLD, DLBCL type, EBV negative
52	M	Stomach	No	Melena	Ulcers and mucosal induration	H. Pylori vs NSAID related injury vs lymphoma	Tobacco use, alcohol abuse, history of bleeding GI ulcers	Kappa restricted B cells by MFC. Atypical lymphoid infiltrate by morphology. (Lost to follow up.)
63	M	Colon	No	Diarrhea, bowel wall thickening on CT	Non-bleeding ulcers	Infection vs lymphoma	HBV, TB, nodal T-cell lymphoma, MAC and fungal pneumonia	MEITL
55	M	Colon	No	Abnormal PET scan of GI tract after diagnosis of CNS DLBCL	Infiltrative, sessile, ulcerated obstructing mass	Malignancy	Recently diagnosed CNS DLBCL, history of CLL	DLBCL and CLL
74	M	Colon	No	Anemia	Fungating non-obstructing mass	Malignancy	Immunosuppression for heart transplant for cardiomyopathy, EBV viremia	Monomorphic PTLD, DLBCL type, EBV negative
67	M	Colon	Yes	Fevers, abdominal pain, anemia, colonic mass, LAD, and bony lesions seen on CT	Fungating ulcerated mass	Lymphoma	Anemia, fevers, abdominal pain, diverticulosis, bony lesions due to a kappa restricted B cell population	DLBCL
61	M	Colon	Yes	Screening colonoscopy	Polypoid, submucosal, ulcerated non-obstructing mass	Malignancy, suspicion for lymphoma	Seizure disorder	MCL