The hard lumps may be blood stasis lumps or fat lumps formed after the operation, or they may be scar hyperplasia tissues. If it is a blood stasis lump, it is also relatively small in size and usually subsides quickly. If it is a fatty hardened lump, it usually takes a little slower to go away, perhaps at least six months. If the lump is caused by scarring, it will take relatively longer to subside, and some may never go away completely. You can go to the regular hospital for examination to find out what causes the hard lumps, and then use the appropriate solution under the doctor’s guidance. Usually pay attention to replenish the body’s nutrition, but also to maintain local cleanliness and hygiene, to ensure adequate sleep, do not stay up late, etc., is conducive to the recovery of the body.