A physician may request a patient to get a CT scan of the chest to see if they have blocked blood vessels, cancer, injury, or heart problems. Chest (thorax) CT scans of the chest can look for problems with the heart, lungs, esophagus, the aorta, or even many of the tissues in the chest. It can also includes parts of the upper abdomen and can pick up abnormalities of the liver, spleen and stomach.
In this case, the landlord must give the tenant 90 days' advance written notice of the termination date. If the tenant doesn't move out by the end of the 90 days, the landlord must follow California law to evict the tenant.
Landlords may usually use a 30-Day or 60-Day Notice to Vacate to end a month-to-month tenancy when the tenant has not done anything wrong. Many rent control cities, however, do not allow this; they require the landlord to prove a legally recognized reason for eviction (just cause) of tenants.