Thanks for posting your query.
You are most likely suffering from lower respiratory tract
Presence of left rib cage pain along with shortness of breath
suggest the diagnosis.
may cause persistent throat discomfort and cough but soreness in chest appears to be least related with acid reflux.
is an enzyme which is secreted by multiple organs in our body such as bone, placenta, liver, saliva.
Your alkaline phosphatase is normal.
You should consult with internal medicine specialist and should go for thorough check up.
You should also go for chest x ray and endoscopy
for better diagnosis of your symptoms.
Dr. Mayank Bhargava