Until you have a stress test, heart problems are not significantly ruled out.
Your post is cut off.
Please list your tests.
In addition, where is the starting point of the pain.
If it is lower ribs, or just under the ribs, gallstone pancreatitis is possible, pancreatitis, stomach ulcer and other internal problems.
Stabbing pain in the left chest can also represent a lung problem as well, micro pulmonary embolus, early pneumonia, and so on.
You have not given enough symptoms to narrow this down.
But all are possible given the current information.
What did the cardiologist do, and say?
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