When to Contact a Medical Professional Get medical help right away if you have a pulsating lump in your abdomen along with severe abdominal pain. This could be a sign of a ruptured aortic aneurysm, which is an emergency condition. [mountsinai.org]

Otherwise, abdominal pain or the palpation of an abdominal mass is the most common clinical feature. [pubs.rsna.org]

[…] form in weak places in the intestines and colon hydronephrosis — an enlarged kidney due to the backup of urine enlarged liver splenic enlargement Signs of an abdominal mass include: swelling in the area affected pain in the abdomen abdominal fullness nausea [healthline.com]

Recently he had begun to experience epigastric pain, abdominal fullness, and vomiting episodes, especially after heavy meals. His family and medical history were unremarkable. He had no history of previous abdominal surgery. [ncbi.nlm.nih.gov]