All you need to know about: Lymphatic drain massage
A properly-done lymphatic massage could, over sessions, possibly reduce swelling and clear up clogs in the lymphatic drainage and reactivate absorption by the nodes. While the risks from a lymph massage are few, therapists usually avoid doing it for people who have blood clots, or deep vein thrombosis, heart disease, and cellulitis
We haven't written up this one. The Hindu Health has the full story — the link below goes straight to it.