How to use "lump" in a sentence

I carefully lift my hand and touch the large lump which is there

I think about the lump on the back of my head and the fresh blood on my fingers

As she stared at the contents of the musky closet - the boy's shoes, his jeans, dress slacks, shirts, sweaters, his blue Dodgers' baseball cap, the small blue suit he had worn on special occasions - a lump rose in her throat

"It could be a new lump of brain tissue," Dombey told him.