Neoplasms can be best described as?

Neoplasms are best characterized as abnormal tissue growths that arise from the uncontrolled division of cells. This growth occurs at the expense of healthy tissues, as newly formed cells can disrupt normal bodily functions and structures. Neoplasms can be benign, meaning they are non-cancerous and do not invade surrounding tissues or spread to other parts of the body, or malignant, indicating a cancerous growth that can invade other tissues and metastasize. This definition encompasses a wide range of conditions and highlights the significant biological process underlying neoplasm formation.

The other options do not accurately describe neoplasms in their entirety. Infections that do not spread do not relate to the concept of neoplasms, as neoplasms are not caused by infectious agents. While benign lesions are a type of neoplasm, they represent only one aspect of the broader category that also includes malignant neoplasms. Lastly, the assertion that all neoplasms are always malignant is incorrect; many neoplasms are benign and do not pose the same risks as their malignant counterparts. Thus, the characterization of neoplasms as abnormal tissue growths that grow at the expense of healthy organisms is the most comprehensive and accurate description.