Whats the exact difference between a LUMP and a SWELLING?

Whats the exact difference between a LUMP and a SWELLING?
Lump can be used as a noun, adjective or verb:
Noun:
*A piece or mass of solid matter minus regular shape or of no particular shape.
*A protuberance or swelling -- Ex. The player have a lump (swelling) on the side of his head after getting hit near the ball.
Adjective:
* Made up of various items taken together; not separated or considered separately. Ex. I paid my bill within one lump sum.
Verb:
*Unite into one aggregation, collection, or mass (often fol. by together). Ex. We lumped all the shades of green together surrounded by one box.
Swelling can be used as a noun or adjective.
Noun:
*The enlargement of organs, skin, or other body parts. It is cause by build up of fluid in the tissues. The extra fluid can front to a rapid increase contained by weight over a short interval of time.
*The state of being swollen. Ex.- The rivers are swollen due to adjectives the rain and snow soften that we have have lately.
Adjective:
*Becoming puffy as from internal bleeding or accumulation of other fluids. Ex.- The player put rime on his swelling ankle after twisting it while running.
nothing... both r one n d same..
A lump is solid and sturdy, chances are it will not walk away unless surgically removed. Swelling is not hard, tend to be soft and squidgy and will go away once the inflammation have subsided.
Swelling (or oedema), is a generalised process of fluid build up in a unshakable area of the body or organ. You can win swelling of limbs (esp lower) due to venous congestion (like next to DVT, liver probs, heart failure). You can get localised swelling beside due to inflammation or trauma.
A lump is a more defined, solid mass that you can feel.