Symptoms tend to result from mass effect (eg, dyspnoea, early satiety, gastro-oesophageal reflux, low back pain, ascites, oesophageal varices, obstructive jaundice) or from
[patient.info]
back pain, and rarely inferior vena cava compression. 6, 9 Acute complications include infection or hemorrhage of hepatic cysts. 27 Other abdominal manifestations of ADPKD
[aafp.org]
Symptoms include low-grade flank, abdominal, and lower back pain due to cystic enlargement and symptoms of infection.
[merckmanuals.com]