The lymphatic system can be considered part of blood and vascular system and its disorders can be treated by a vascular surgeon. However, lymph edema is a complex entity. Hence, depending on its cause, it is treated by vascular surgeon, internal medicine specialists, cancer specialists/oncologists etc. Hope this helps. Take care!
The medical advice given should not be considered a substitute for medical care provided by a doctor who can examine you. The advice may not be completely correct for you as the doctor cannot examine you and does not know your complete medical history. Hence this reply to your post should only be considered as a guiding line and you must consult your doctor at the earliest for your medical problem.
Thank you, that info is extremely helpful.