Where can primary tumors form? Only near the brain or skin Anywhere in the body In the stomach only Rewatch

## Step 1<br />Primary tumors are the initial stage of cancer, where the disease originates. They can form in any part of the body, not just near the brain or skin, or in the stomach only. <br /><br />## Step 2<br />The formation of primary tumors is dependent on the type of cell that becomes cancerous. This means that the location of the primary tumor can vary greatly, depending on the type of cell that has become cancerous.<br /><br />## Step 3<br />For example, breast cancer originates in the cells of the breast, while lung cancer originates in the cells of the lungs. This shows that primary tumors can form in any part of the body, not just near the brain or skin, or in the stomach only.