On the day of study enrollment, patients will be asked to complete Brief Fatigue Inventory (BFI), MD Anderson Symptom Inventory (MDASI), Dyspnea Numerical Scale (DNS), Cancer Dyspnea Scale (CDS), ECOG/Zubrod Performance scale, Depression Anxiety Stress Scale (DASS 21), VTE Symptom Enrollment Questionnaire and Functional Assessment of Cancer Therapy-General (FACT-G). The patients will also complete a questionnaire on symptoms of VTE such as chest pain, pain or swelling of the extremities and other common symptoms reported in VTE patients.