In this study, face-to-face patient education, giving patient education booklet, preparation of symptom management card, face-to-face and telephone counseling initiatives were planned to the experimental group.

Memorial Symptom Assessment Scale (MSAS): The Memorial Symptom Assessment Scale is a multidimensional self-report questionnaire that evaluates 32 physical and psychological symptoms according to their frequency, severity and distress/bother to the person in the past week.The total score is the average of the responses to the distress scale items and and ranges from 0 to 4 with higher values indicating greater distress experienced from symptoms.

Supportive Care Needs Scale-Short Form: The 31-item instrument measures supportive care needs in five domains: health system and information, psychological needs, physical and daily living, patient care and support, and sexual-related. Responses are given on a scale from 1 to 5 where 1 = no help is needed and 5 = high need for help. Total scores range from 31 to 155 and higher scores indicate greater need for help.

Self-Care Strength Scale: A maximum score of 140 is taken from the scale. The high score obtained from the scale indicates the high level of self-care or self-care ability and power of the individual.

EORTC QLQ-C30 Quality of Life Scale(European Organization for the Research and Treatment of Cancer Quality of Life Questionnaire): This Scale was developed to measure the quality of life of patients with cancer. It includes 30 questions and three sub-dimensions: General Well-Being, Functional Difficulties, and Symptom Control. The maximum score on the scale is 100, and the minimum is 0. High scores on the functional sub-dimension indicate good/healthy functional status, high scores on the symptom sub-dimension indicate high levels of symptoms and/or problems, and high scores on the global health status/quality of life sub-dimension indicate good quality of life.