Status post right nephrectomy. Post-surgical changes seen in the right renal bed and in the subcutaneous soft tissues of the anterior abdominal wall. Small fluid collection measuring 21 x 12 mm seen between the stomach and left lobe of the liver. Small air density in the urinary bladder; is there any history of recent catheterization? Suspicious irregular soft tissue mass lesion in the gastric fundus adjacent to the gastroesophageal junction; for further evaluation with endoscopy.