A Garland, Texas, woman has had a 56-pound benign ovarian tumor removed. It had been growing for nearly 12 years. 

Seventy-year-old Joy Self tells Dallas TV station CBSDFW, "My back and my ribcage... just hurt really bad." So why didn't she get this taken care of sooner? She just thought she was putting on weight -- and she doesn't like doctors. But eventually it began to impact her ability to get around and she sought medical attention.

Which brings us to her surgeon, Dr. Thomas Heffernan. He says Self's tumor is one of the largest he's seen. ONE of the largest? Yep. “In residency training," he says, "we came across one just over 100 lbs." 

So just how much is 56 pounds? 

• The average American six-and-a-half-year-old boy weighs about 50 lbs.
• This punching bag weighs 50 lbs.
• Your average Australian Shepherd weighs in at about 50 lbs.
• You can buy that dog a 50 lbs. bag of food.
• ...and if you had a 56 lb. tumor in your luggage, Delta Airlines would charge you an overweight bag fee of $90! 

Removing Self's tumor was not an easy surgery, but things seemed to have gone well. She doesn't appear to have any lasting effects from the growth.