3. Known involvement of the central nervous system (CNS) by lymphoma. 4. Presence of abnormal or clinically significant cardiac disease, such as acute myocardial infarction or unstable angina within 6 months prior to initiation of treatment with LR- ESHAP , grade III or IV heart failure, uncontrolled hypertension or history of poor compliance with antihypertensive treatment , uncontrolled treated arrhythmias, except , with the exception of extra systoles or minor conduction abnormalities.