Hi,Dear thanks for the query to HCM virtual clinic. I studied your query in full details updated from you.I understood your health concerns. Based on your query data, In my opinion ,Dear You seem to suffer from Axillary vein thrombosis with Paget-Von shrotter Disease/ or it could be impending Effort Subclavian/axillary vein thrombosis / or could be accompaniment of the Syringomyelia, which needs to be ruled out in your case / it need to be Axiallry Web Syndrome/ or could be pectoralis Minor Treatment- As you don t have any obvious history of trauma or exertion causing any Effort stress on the pectoralis/ shoulder muscles,You need to have Second Opinion from Surgeon/ and Vascular Surgeon. In view of this background a detailed investigation by physical examination and Axillary Venogram study -if need be would be needed in your case to rule out the various other ailements before starting the treatment for it. Rest/ Elevation/ Anti-inflammatory NSAI-Like Diclofen+Paracet combination/ Chymotrypsin Tab-hydrolytic enzymes to reduce tissue edema / Heparin or Warfarin treatment with blood thinners/ Thrombophobe oint locally and /Voltaren Gel(OTC) could relive your problem,but would need care from experts dealing with Vascular ailments involved in it. Hope this reply would help you to evaluate your case and treat it with your doctors in time to come. Hope this would resolve your query and worry and Anxiety accompanied with it. Welcome for any further query in this regard to ME.I would love to help you out. Awaiting for any further query. Wish you fast recovery from this intriguing health problem. Have a Good Day. Dr.Savaskar M.N. M.S.Genl-CVTS -Senior Surgical Consultant