Iam 27f female suffering from severe upper middle back pain chest pain from aug from 2 months the pain is severe from few days stated to have pain in breast under arm shoulder took many pain medications cure which test or scan should I do mri or usg of breast or X-ray of chest or what iam really confused .iam dying with pain plz help am I having any cancer ?cbp crp vit b12 all are normal lipidlft also .I have been vowing doctors but still no cure plz help plz plz I beg u all