It is established that before a medical specialist can perform an operation on a patient, he must obtain consent either from the patient, if the patient is capable of providing it, or of someone. legitimately sanctioned to give consent in favor of the patient, unless a rapid operation is important to spare the life or health of the patient (XXX). There are two parts of consent related to any surgical event and the assumption used to address a reason for movement based on a lack of consent is subject to the extension of consent at issue. The battery was created earlier than expected as a suitable reason for an activity in which a doctor neglects to obtain the tolerant's agreement for an operation or, after obtaining their agreement on one type of medication, then performs another medication for to which no consent was given. The court in the Cobbs case agreed with the choices that retained the motive of activity in the form of assault and battery as the appropriate hypothesis for recovery when this consent was not obtained. A secondary element of informed consent concerns the precondition that the consent actually given is conscious consent. Before the operation, the specialist must enlighten his patient about the course of the disease, the course of the operation, the possible dangers and the possible choices, so that the patient can choose wisely whether he wants to undergo the operation. The necessary consent has been termed “informed” consent. Lawsuits accusing a doctor of failing to satisfactorily disclose the dangers and Plan B of the proposed drug date back half a century2 and have recurred rapidly in the most recent decade. There was in no way consistency between localities in choosing the correct hypothesis for healing. Activities again... middle of article......non-Hodgkin's lymphoma uniformly treated and receiving intrathecal central nervous system. prophylaxis: a GELA study involving 974 patients. Ann Oncol 2000; 11: 685–690. Bos GM, Van Putten WL, Van der Holt B et al. For which patients with aggressive non-Hodgkin lymphoma is central nervous system disease prophylaxis mandatory? ? Ann Oncol 1998; 9: 191-194. Zinzani PL, Magagnoli M, Frezza G et al. Isolated central nervous system relapse in aggressive non-Hodgkin's lymphoma: the Bologna experience 1999: 571-576. , Lepage E, Coiffier B et al. A randomized comparison of ACVBP and CHOP in the treatment of advanced aggressive non-Hodgkin's lymphoma: the LNH93-5 study Blood 2000: 832a (Abstr 3596). Rubenstein JL, Combs D, Rosenberg; J et al. Rituximab treatment for CNS lymphomas: targeting the leptomeningeal compartment. Blood 2003; 101: 466–468.