<qa>  What is the length of the pemetrexedcisplatin lavage?- Pemetrexed and cisplatin will be admixed together in 1 liter of normal saline. The admixture of pemetrexedcisplatin is stable for 4 hours and should be prepared and delivered immediately before use in the OR. The length of the pemetrexedcisplatin lavage will be 1 hour. 