Differentiating between different types of lumps Reactive lymph node- moveable mass, not attached to skin or underlying structures . On radiology hilum can be observed, can be painful (if compressing underlying nerve) or painless Lipoma or cyst - movable mass attached to the overlying skin cancer - non movable mass attached to the underlying structure , could be painful or painless (usually), paraneoplastic symptoms maybe present, visible weightloss present(10% of body weight within a year)