Figure 1
From: Long-term Follow-up of Therapeutic ERCP in 78 Patients Aged 90 Years or Older

Kaplan-Meier survival curves: A) for patients aged over 90 years with choledocholithiasis (green) and cancers (blue): and B) for old patients aged over 90 years with choledocholithiasis only in whom bile duct stones were completely removed (green) or incompletely removed (blue).