Left side pain in location of spleen under rib cage. pain increases whenever i lean back or breathe in. started 3 days ago, same pain level.

Evaluation needed: Three days of this discomfort requires an evaluation by a physician who will take a thorough history and perform a careful physical examination in order to make a diagnosis.Appropriate tests will be ordered. Possibilities include muscular discomfort, spleen or left lower lobe lung pathology ,even a pinched intercostal nerve or a rib injury.