It has the objective of knowing the characteristics of the social network inter-relations of the man with cancer, in chemotherapeutic treatment. Qualitative study that used as theoretical referential the Bioecological model by Bronfenbrenner and the Ecological Insertion method. Three men with cancer participated, and they were attended in a chemotherapeutic service between April and September 2010. It was performed an average of six meetings with each subject. The interviews data were submitted to the thematic analysis. It was verified that in order to strengthen the relationships and development of the man with cancer, it is necessary positive characteristics in his social network, like presence, communication, sharing, trust, respect, interest and protection, ways of matured support over time that influence the life of the people in a healthy manner. The health professionals, when knowing the network and inter-relations characteristics, will be able to intervene together with the person in the strengthening of his supporting bonds, and the significant change of his fragilized relations.
Social support; Male; Neoplasms; Nursing