Skin tumors are removed through either simple excisions or through excisions needing reconstructive plastic surgery. By then, Kocher had performed over 5000 thyroid excisions. Williams made substantial excisions and alterations to the play for a revival in 1974. A possible cause might be insufficiently deep excisions. Abridgements were published numerous times over the twentieth century, with increasing excisions. However, the extent of the reserve has been reduced over time by excisions. These excisions amounted to approximately 10% of the original text.