Organomegaly • Liver • Spleen • Kidneys (e. g. Cyst, Cystic Renal Cell Carcinoma, Hydronephrosis) Neoplastic • Gastrointestinal Turnours (e.g. Colonic, Gastric, Pancreatic) • Gvnecologic Turmors (e.g. Ovarian, Uterine) • Lymphoma/Sarcoma Feces Pulsatile • Vascular (Abdominal Aortic Aneurysm) Pseudoneoplastic • Pancreatic Pseudocyst #Abdominal #Mass #Differential #Diagnosis #Algorithm