Family resilience is an important strength to help family to manage life challenge successfully, and to reorganize family function. However, few studies have showed the trajectory of family resilience in adolescents with cancer over time. The purposes of this study are to know the trend of family resilience in adolescents with cancer from previous 3 months to the first year of newly diagnosed, and to examine the relationships among family members' stress, family satisfaction, and family resilience in adolescents with cancer.

The inclusion criteria of adolescents with cancer are: 1) 12-20 years of age, 2) newly diagnosed with cancer about 3 months, 3) willing and able to complete own report questionnaires. The study is designed as repeated measurement. Considering attrition rate may be more than 60%. Therefore, of necessity, the proposed sample size was set at 60 families.

Data will be collected by a structured questionnaire (a demographic questionnaire and 4 scales). The study consists of four times of data collection time point as follows: approximately 3 month (t1), 6 months (t2), 9 months (t3), and 12 months (t4) after the diagnosis of cancer in adolescents. Each participant may take 20-30 minutes to finish the structured questionnaire.

Inclusion Criteria:

• The inclusion criteria of adolescents with cancer are: 1) 12-20 years of age, 2) newly diagnosed with cancer about 3 months, 3) willing and able to complete own report questionnaires.

Exclusion Criteria:

• terminal stage

cancer adolescent aged 12-20 years old