Inclusion Criteria:  Adults (18+ years of age)  Newly diagnosed patients with lung cancer (non-small cell and small cell lung cancer):  o Patients with stages I-III lung cancer: Eligible at diagnosis for up to 6 weeks after: 1) starting multimodality therapy with combination chemoradiation or chemoradiation followed by surgery; or 2) starting adjuvant therapy after lung resection (chemotherapy alone or chemotherapy followed by radiation therapy)  o Patients with stage IV lung cancer or recurrent/metastatic: Eligible at diagnosis and for up to 3 months after starting treatment  o Eastern Cooperative Oncology Group (ECOG) Performance Status (PS) 0-3  Vulnerable patients who meet at least one of the following criteria:  Economically disadvantaged (household gross monthly income at or below 130% of the Federal Poverty Level) Racial and ethnic minorities (African Americans, American Indians and Alaska Natives, Asians and Pacific Islanders, and Hispanics) No health insurance Elderly patients (ages 65 years or older) Reside in rural areas (non-metropolitan counties with less than 50,000 people) Voluntarily provide consent, HIPPA authorization form, and consent from treating oncologist. Able to speak and read English themselves or with minimal help. Able to receive medically-tailored meals for the course of the study if being assigned to the intervention arm, and willing to sign the MTM agreement.  Exclusion Criteria:  Cognitively unable to consent or have physical or mental limitations that would prevent full participation in the program. Have medical conditions that significantly impact digestion, metabolism, or food intake (e.g., surgical loss of esophagus, stomach, or colon; pancreas dysfunction; brain surgery that alters cognition; severe food allergies; etc.) or have active metabolic or digestive illnesses (i.e., Celiac disease, IBS, renal insufficiency, hepatic insufficiency). Pregnant or planning to become pregnant during the study. Unable to receive medically-tailored meals for the course of the study if being assigned to the intervention arm, including lack of a permanent address to which meals can be delivered (a friend or home address is acceptable given it is used on a consistent basis), not having a fully functioning kitchen with a microwave or oven for cooking, not having a standard-sized refrigerator with a freezer with storage capacity to hold one week's worth of meals; or unwilling to sign the MTM agreement.