Why this is not angina

1. It is vague in nature.
2. It decreases on continued walking.
3. Sometimes it occurs at rest or during initial movement after long rest.
4. Similar pain occurs on taking deep breathing.
5. As far as I can remember its nauture is different from angina I used to have before Ami
6. It persisists for quite some time even after taking rest.
7. Pain does not increase on continued walking, it decreases on the contrary.
8. Pain occurs in different parts of chest wall.
9. More often it is more lateral.
10. It has decreased in intensity over time.
11. It does not radiate.