anticipated expectancy life months greater weeks time lymphodepletion ecog screening 
expectancy life greater months equal physician morbid assessed treating determined 
estimated expectancy life months greater investigator patients entry treating physician 
expectancy life investigator opinion months weeks determined greater judgment assessed 
tolerate inability opinion treating procedures investigator imaging physician predispose rapidly 
medically fit undergo stable patients physician determined inoperable unstable receive 
physician treating determined opinion discretion patients deemed medical judged treatment