"Oh yes," she replied, "in my stomach."
Trying to clarify that, I asked if she was having pain in her chest in addition to the stomach pain.
Pointing to her stomach, she explained, "Yes, real sharp chest pains, right here in my stomach."
"In her stomach," echoed the son, nodding gravely.
"So you're having chest pain," I asked while pointing to my chest, "in your stomach" as I moved my finger to my abdomen. Trying a different approach, I decided to ask if she was having any stomach pain.
"Oh no dear," she replied, puzzled at my confusion. "Just in my chest."