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[The surgery of tumors and "limited situations"].

The term "limit" applied to cancer surgery, denotes the ideological moment beyond which one cannot and should not propose any aggressive treatment. Such limits may concern the operability of a patient and may be represented by some general characteristics independent of the patient's current disease status (e.g. very old age, poor performance status, poor cardiac, respiratory, renal hepatic or mental conditions). They may concern the neoplastic involvement of the organ affected by the tumor: if undertaken, surgery should guarantee a reasonable duration of life, and a quality of life that makes it worth living. Other factors to be taken in consideration are the possibility the tumor spread to local or distant sites, as well as certain extreme conditions such as cancer, cachexia, liver/kidney failure, irreversible septic-toxic shock, ect. Moreover, there may be limits related to the structural conditions of the establishment where the operation is to be carried out (facilities, equipment, pharmacological supplies, medical and paramedical personnel) and to the social environment and the economic situation of the patient, in view of the assistance required following surgery. Lastly, a severe assessment of one's own fitness to perform any specific task should be part of the daily preparation of any surgeon.