The Compendium of Caraka 6.5.6

6.5.6

That vitiated vāyu, having agitated kapha and pitta and blocked the channels with both of them,
causes colic in the heart, navel, flanks, abdomen, and urinary bladder, and then, its channels obstructed, it does not move.
Situated in the colon or in the seats of pitta and kapha, independent or dependent on others,
palpable by touch due to forming a mass, it receives the name 'abdominal lump' according to the humor [involved].