Fig. 1From: Non-linear transformations of age at diagnosis, tumor size, and number of positive lymph nodes in prediction of clinical outcome in breast cancerFlow diagram of the 4568 eligible patients, inclusion periods, patients excluded, and number of patients included for the different patient materials that constituted the derivation set. Patients were excluded due to missing information on follow-up, number of positive lymph nodes, and/or tumor size. One hundred and one patients were excluded and the final number of patients included was 4477Back to article page