Main findings and interpretation.

6MWD - Six-minute walk distance measures the distance a patient can walk quickly on a flat, hard surface in 6 minutes reflects ability to perform daily activities, [34]Dyspnoea VAS - Dyspnoea Visual Analog Scale, measures breathlessness in the sensory-perceptual domain [35].HADS – Hospital Anxiety and Depression Score. Scores ≥11 indicate significant anxiety or depression; ≤7 are normal. [53]MSAS - Memorial Symptom Assessment Scale assesses symptom prevalence, characteristics and distress. [36]PSCQ - Patient satisfaction with care questionnaire reflects satisfaction with six aspects of care: technical quality, interpersonal manner, communication, financial aspects of care, time spent with doctor, and accessability of care. [38]SF-36 - Medical Outcomes Study Short-Form-36 Health Survey is a generic health status measure with two summary measures of physical and mental health constructed from the eight scales. [33]SGRQ – St George's Respiratory Questionnaire measures symptoms, activities and impacts on a scale: 0 to 100 (greatest impairement); with a minimum clinically important difference of 4). [32]SSS - Social Support Survey has four functional support scales (emotional/informational, tangible, affectionate, and positive social interaction) and the construction of an overall social support index. [37]SWB - Subjective Well-Being Scale is a longitudinal measure of the quality of life of patients with metastatic, incurable cancer. [54]