| Cancer therapy |
| Chemotherapy |
| Biologics, molecularly targeted agents, hormone therapy |
| Surgery |
| Radiation therapy |
| Symptom burden |
| Pain |
| Anxiety |
| Depression, mood disorder |
| Sleep dysfunction |
| Weakness, asthenia, deconditioning |
| Anemia |
| Medications |
| Analgesics (opioids) |
| Sedating agents (hypnotics, neuropathic agents, antiemetics, etc) |
| Beta-blockers |
| Polypharmacy |
| Drug-drug interactions |
| Nutritional and fluid imbalances |
| Weight loss, anorexia/cachexia |
| Changes in caloric intake |
| Fluid and electrolyte imbalances, especially dehydration |
| Gastrointestinal tract motility disorders |
| Medical comorbidities |
| Infection |
| Cardiopulmonary disorders |
| Connective tissue diseases |
| Renal dysfunction |
| Hepatic dysfunction |
| Neurologic dysfunction |
| Endocrinopathies |
| Hypothyroidism |
| Hypogonadism |
| Diabetes mellitus |
| Adrenal insufficiency |
