Association Between Health Care Provider (HCP)-Assessed ECOG Performance Status (PS) and Overall Survival, and Objectively Measure of Physical Activity (PA) Levels in Advance-cancer Patients"

Inclusion Criteria: * Diagnosis of any stage I - IV colorectal cancer or recurrent colorectal cancer (Arm 1) * Able to speak, read, and write in English (Pre-pilot phase, Arms 1-4) * Able to provide informed consent (Pre-pilot phase, Arms 1-4, PCS study) * Lives in the Houston area (Harris county or a contiguous county) (Pre-pilot phase) * Eastern Cooperative Oncology Group (ECOG) status of 0 - 2, or self-reports being up and about more than 50% of waking hours and able to provide self-care (Arm 1) * Diagnosis of any of the following cancers: stage 1-4b oropharyngeal, hypopharyngeal, nasopharyngeal, salivary gland or oral cavity; stage 3-4b laryngeal; any unknown primary head and neck cancer with cervical metastasis that will be addressed with treatment to bilateral necks and mucosa; or other head and neck cancers medically approved by one of our Radiation Oncology collaborating medical doctors (MDs) (Arms 2 and 3) * History of any cancer, other than non-melanoma skin cancer (Arm 4) * Admitted to being a current smoker or recent quitter upon admission to MD Anderson Cancer Center (MDACC) (Arm 4) * Has a valid home address and functioning home telephone number (Arm 4) * Lives in the Houston or surrounding area, or resides in this same area during the time period that coincides with this study (Arms 1-4) * Patients who will undergo curative pancreatectomy for pancreatic adenocarcinoma, pancreatic neuroendocrine tumors, or pancreatic cysts (malignant or benign) (PCS study) * Fl…